Problem 1.153TI: Find the sum: x4+34 . Problem 1.154TI: Find the sum: y8+58 . Problem 1.155TI: Find the difference: 1928728 . Problem 1.156TI: Find the difference: 2732132 . Problem 1.157TI: Find the difference: 9x7x . Problem 1.158TI: Find the difference: 17a5a . Problem 1.159TI: Simplify: 25+(49)79 . Problem 1.160TI: Simplify: 59+(49)79 Problem 1.161TI: Add: 712+1115 . Problem 1.162TI: Add: 1315+1720 . Problem 1.163TI: Subtract: 13241732 . Problem 1.164TI: Subtract: 2132928 . Problem 1.165TI: Add: y6+79 . Problem 1.166TI: Add: x6+715 . Problem 1.167TI: Simplify: (a) 3a489 (b) 3a489 . Problem 1.168TI: Simplify: (a) 4k516 (b) 4k516 . Problem 1.169TI: Simplify: ( 1 3 )223+2 . Problem 1.170TI: Simplify: 1+42( 1 4 )2 . Problem 1.171TI: Simplify: 13+123413 . Problem 1.172TI: Simplify: 231214+13 . Problem 1.173TI: Evaluate x+34 when (a) x=74 (b) x=54 . Problem 1.174TI: Evaluate y+12 when (a) y=23 (b) y=34 . Problem 1.175TI: Evaluate 12y when y=14 . Problem 1.176TI: Evaluate 38y when x=52 . Problem 1.177TI: Evaluate 3ab2 when a=23 and b=12 . Problem 1.178TI: Evaluate 4c3d when c=12 and d=43 . Problem 1.179TI: Evaluate a+bc when a=8 , b=7 , and c=6 . Problem 1.180TI: Evaluate x+yz when x=9 , y=18 ,and z=6 . Problem 425E: In the following exercises, add. 425. 613+513 Problem 426E: In the following exercises, add. 426. 415+715 Problem 427E: In the following exercises, add. 427. x4+34 Problem 428E: In the following exercises, add. 428. 8q+6q Problem 429E: In the following exercises, add. 429. 316+(716) Problem 430E: In the following exercises, add. 430. 516+(916) Problem 431E: In the following exercises, add. 431. 817+1517 Problem 432E: In the following exercises, add. 432. 919+1719 Problem 433E: In the following exercises, add. 433. 613+(1013)+(1213) Problem 434E: In the following exercises, add. 434. 512+(712)+(1112) Problem 435E: In the following exercises, subtract. 435. 1115715 Problem 436E: In the following exercises, subtract. 436. 913413 Problem 437E: In the following exercises, subtract. 437. 1112512 Problem 438E: In the following exercises, subtract. 438. 712512 Problem 439E: In the following exercises, subtract. 439. 1921421 Problem 440E: In the following exercises, subtract. 440. 1721821 Problem 441E: In the following exercises, subtract. 441. 5y878 Problem 442E: In the following exercises, subtract. 442. 11z13813 Problem 443E: In the following exercises, subtract. 443. 23u15u Problem 444E: In the following exercises, subtract. 444. 29v26v Problem 445E: In the following exercises, subtract. 445. 35(45) Problem 446E: In the following exercises, subtract. 446. 37(57) Problem 447E: In the following exercises, subtract. 447. 79(59) Problem 448E: In the following exercises, subtract. 448. 811(511) Problem 449E: In the following exercises, simplify. 449. 518910 Problem 450E: In the following exercises, simplify. 450. 314712 Problem 451E: In the following exercises, simplify. 451. n545 Problem 452E: In the following exercises, simplify. 452. 611s11 Problem 453E: In the following exercises, simplify. 453. 724+224 Problem 454E: In the following exercises, simplify. 454. 518+118 Problem 455E: In the following exercises, simplify. 455. 815125 Problem 456E: In the following exercises, simplify. 456. 712928 Problem 457E: In the following exercises, add or subtract. 457. 12+17 Problem 458E: In the following exercises, add or subtract. 458. 13+18 Problem 459E: In the following exercises, add or subtract. 459. 13(19) Problem 460E: In the following exercises, add or subtract. 460. 14(18) Problem 461E: In the following exercises, add or subtract. 461. 712+58 Problem 462E: In the following exercises, add or subtract. 462. 512+38 Problem 463E: In the following exercises, add or subtract. 463. 712916 Problem 464E: In the following exercises, add or subtract. 464. 716512 Problem 465E: In the following exercises, add or subtract. 465. 2338 Problem 466E: In the following exercises, add or subtract. 466. 5634 Problem 467E: In the following exercises, add or subtract. 467. 1130+2740 Problem 468E: In the following exercises, add or subtract. 468. 920+1730 Problem 469E: In the following exercises, add or subtract. 469. 1330+2542 Problem 470E: In the following exercises, add or subtract. 470. 2330+548 Problem 471E: In the following exercises, add or subtract. 471. 39562235 Problem 472E: In the following exercises, add or subtract. 472. 33491835 Problem 473E: In the following exercises, add or subtract. 473. 23(34) Problem 474E: In the following exercises, add or subtract. 474. 34(45) Problem 475E: In the following exercises, add or subtract. 475. 1+78 Problem 476E: In the following exercises, add or subtract. 476. 1310 Problem 477E: In the following exercises, add or subtract. 477. x3+14 Problem 478E: In the following exercises, add or subtract. 478. y2+23 Problem 479E: In the following exercises, add or subtract. 479. y435 Problem 480E: In the following exercises, add or subtract. 480. x514 Problem 481E: In the following exercises, simplify. 481. (a) 23+16 (b) 2316 Problem 482E: In the following exercises, simplify. 482. (a) 2518 (b) 2518 Problem 483E: In the following exercises, simplify. 483. (a) 5n6815 (b) 5n6815 Problem 484E: In the following exercises, simplify. 484. (a) 3a8712 (b) 3a8712 Problem 485E: In the following exercises, simplify. 485. 38(310) Problem 486E: In the following exercises, simplify. 486. 512(59) Problem 487E: In the following exercises, simplify. 487. 38+512 Problem 488E: In the following exercises, simplify. 488. 18+712 Problem 489E: In the following exercises, simplify. 489. 5619 Problem 490E: In the following exercises, simplify. 490. 5916 Problem 491E: In the following exercises, simplify. 491. 715y4 Problem 492E: In the following exercises, simplify. 492. 38x11 Problem 493E: In the following exercises, simplify. 493. 1112a9a16 Problem 494E: In the following exercises, simplify. 494. 10y13815y Problem 495E: In the following exercises, simplify. 495. 23+42( 2 3 )2 Problem 496E: In the following exercises, simplify. 496. 3332( 3 4 )2 Problem 497E: In the following exercises, simplify. 497. ( 3 5 )2( 3 7 )2 Problem 498E: In the following exercises, simplify. 498. ( 3 4 )2( 5 8 )2 Problem 499E: In the following exercises, simplify. 499. 213+15 Problem 500E: In the following exercises, simplify. 500. 514+13 Problem 501E: In the following exercises, simplify. 501. 782312+38 Problem 502E: In the following exercises, simplify. 502. 343514+25 Problem 503E: In the following exercises, simplify. 503. 12+23512 Problem 504E: In the following exercises, add or subtract. 504. 13+2534 Problem 505E: In the following exercises, add or subtract. 505. 135110 Problem 506E: In the following exercises, add or subtract. 506. 156112 Problem 507E: In the following exercises, simplify. 507. 23+16+34 Problem 508E: In the following exercises, simplify. 508. 23+14+35 Problem 509E: In the following exercises, simplify. 509. 3816+34 Problem 510E: In the following exercises, simplify. 510. 25+5834 Problem 511E: In the following exercises, simplify. 511. 12(920415) Problem 512E: In the following exercises, simplify. 512. 8(151656) Problem 513E: In the following exercises, simplify. 513. 58+161924 Problem 514E: In the following exercises, simplify. 514. 16+3101430 Problem 515E: In the following exercises, simplify. 515. (59+16)(2312) Problem 516E: In the following exercises, simplify. 516. (34+16)(5813) Problem 517E: In the following exercises, evaluate. 517. x+(56) when (a) x=13 (b) x=16 Problem 518E: In the following exercises, evaluate. 518. x+(1112) when (a) x=1112 (b) x=34 Problem 519E: In the following exercises, evaluate. 519. x25 when (a) x=35 (b) x=35 Problem 520E: In the following exercises, evaluate. 520. x13 when (a) x=23 (b) x=23 Problem 521E: In the following exercises, evaluate. 521. 710w when (a) w=12 (b) w=12 Problem 522E: In the following exercises, evaluate. 522. 512w when (a) w=14 (b) w=14 Problem 523E: In the following exercises, evaluate. 523. 2x2y3 when x=23 and y=12 Problem 524E: In the following exercises, evaluate. 524. 8u2v3 when u=34 and v=12 . Problem 525E: In the following exercises, evaluate. 525. a+bab when a=3 , b=8 Problem 526E: In the following exercises, evaluate. 526. rsr+s when r=10 , s=5 Problem 527E: Decorating Laronda is making covers for the throw pillows on her sofa. For each pillow cover, she... Problem 528E: Baking Vanessa is baking chocolate chip cookies and oatmeal cookies. She needs 12 - cup of sugar for... Problem 529E: Why do you need a common denominator to add or subtract fractions? Explain. Problem 530E: How do you find the LCD of 2 fractions? format_list_bulleted