Problem 1PE: A(n) __________ is a collection of items called elements. Problem 2PE: Z={...,3,2,1,0,1,2,3,...} is called the set of _________. Problem 3PE: R is the notation used to denote the set of ________. Problem 4PE: A(n) __________ number is a real number that cannot be expressed as a ratio of two integers. Problem 5PE: Write an absolute value expression to represent the distance between a and b on the real number... Problem 6PE: The _____________ properties of addition and multiplication indicate that the order in which two... Problem 7PE: The associative property of addition indicates that a+(b+c)=, and the associative property of... Problem 8PE: The statement a(b+c)=ab+ac represents the ____________ property of multiplication over addition. Problem 9PE: For Exercises 9-10, write an English sentence to represent the algebraic statement. 9. 3N 3.1W Problem 10PE: For Exercises 9-10, write an English sentence to represent the algebraic statement. 10. 23Q Q Problem 11PE: For Exercises 11-12, determine whether the statement is true or false. 11. 5N 5W 5Z 5Q Problem 12PE: For Exercises 11-12, determine whether the statement is true or false. 12. 13N 13W 13Z 13Q Problem 13PE: Referto A={5,0.3,0.33,0.9,12,114,6,6}. Determine which elements belong to the given set. (See... Problem 14PE Problem 15PE: For Exercises 15-20, write each statement as an inequality. 15. a is a least 5. Problem 16PE: For Exercises 15-20, write each statement as an inequality. 16. b is at most 6. Problem 17PE Problem 18PE Problem 19PE: For Exercises 15-20, write each statement as an inequality. 19. The quantity (m+4) exceeds 70. Problem 20PE: For Exercises 15-20, write each statement as an inequality. 20. The quantity (n7) is approximately... Problem 21PE: For Exercises 21-28, determine whether the statement is true or false. 21. 3.14 Problem 22PE: For Exercises 21-28, determine whether the statement is true or false. 22. 77 Problem 23PE: For Exercises 21-28, determine whether the statement is true or false. 23. 6.76.7 Problem 24PE Problem 25PE: For Exercises 21-28, determine whether the statement is true or false. 25. 6.156.15 Problem 26PE Problem 27PE: For Exercises 21-28, determine whether the statement is true or false. 27. 97118 Problem 28PE Problem 29PE: For Exercises 29-34, write the interval notation and set-builder notation for each given graph. (See... Problem 30PE Problem 31PE: For Exercises 29-34, write the interval notation and set-builder notation for each given graph. (See... Problem 32PE Problem 33PE Problem 34PE: For Exercises 29-34, write the interval notation and set-builder notation for each given graph. (See... Problem 35PE Problem 36PE Problem 37PE: For Exercises 35-40, graph the given set and write the corresponding interval notation. (See Example... Problem 38PE Problem 39PE Problem 40PE Problem 41PE Problem 42PE Problem 43PE: For Exercises 41-46, interval notation is given for several sets of real numbers. Graph the set and... Problem 44PE Problem 45PE: For Exercises 41-46, interval notation is given for several sets of real numbers. Graph the set and... Problem 46PE Problem 47PE Problem 48PE Problem 49PE Problem 50PE Problem 51PE Problem 52PE Problem 53PE Problem 54PE Problem 55PE Problem 56PE: For Exercises 53-56, find the union or intersection of the given intervals. Write the answers in... Problem 57PE Problem 58PE: For Exercises 57-68, simplify each expression by writing the expression without absolute value bars.... Problem 59PE Problem 60PE Problem 61PE: For Exercises 57-68, simplify each expression by writing the expression without absolute value bars.... Problem 62PE Problem 63PE Problem 64PE Problem 65PE: For Exercises 57-68, simplify each expression by writing the expression without absolute value bars.... Problem 66PE Problem 67PE: For Exercises 57-68, simplify each expression by writing the expression without absolute value bars.... Problem 68PE Problem 69PE: For Exercises 69-74, write an absolute value expression to represent the distance between the two... Problem 70PE: For Exercises 69-74, write an absolute value expression to represent the distance between the two... Problem 71PE: For Exercises 69-74, write an absolute value expression to represent the distance between the two... Problem 72PE: For Exercises 69-74, write an absolute value expression to represent the distance between the two... Problem 73PE: For Exercises 69-74, write an absolute value expression to represent the distance between the two... Problem 74PE: For Exercises 69-74, write an absolute value expression to represent the distance between the two... Problem 75PE Problem 76PE Problem 77PE: For Exercises 75-88, simplify the expressions. (See Example 7) 77. 83 83 83 100 100 100 Problem 78PE: For Exercises 75-88, simplify the expressions. (See Example 7) 78. 273 273 273 49 49 49 Problem 79PE Problem 80PE Problem 81PE Problem 82PE Problem 83PE Problem 84PE Problem 85PE Problem 86PE: For Exercises 75-88, simplify the expressions. (See Example 7) 86. 82(4+25|5|)9 Problem 87PE: For Exercises 75-88, simplify the expressions. (See Example 7) 87. |1113|42 122+52310 Problem 88PE Problem 89PE: For Exercises 89-92, apply the commutative property of addition. 89. 7+x Problem 90PE Problem 91PE Problem 92PE Problem 93PE Problem 94PE Problem 95PE: For Exercises 93-96, apply the associative property of addition or multiplication. Then simplify if... Problem 96PE Problem 97PE Problem 98PE Problem 99PE Problem 100PE Problem 101PE Problem 102PE Problem 103PE Problem 104PE Problem 105PE Problem 106PE: For Exercises 103-108, apply the distributive property. (See Example 8) 106. 6(5y23y+4) Problem 107PE Problem 108PE Problem 109PE Problem 110PE Problem 111PE Problem 112PE Problem 113PE Problem 114PE Problem 115PE Problem 116PE: For Exercises 109-116, simplify each expression. (See Example 9) 116. 6[5t234(128t2)+5]+11t2 Problem 117PE Problem 118PE Problem 119PE Problem 120PE Problem 121PE Problem 122PE Problem 123PE Problem 124PE Problem 125PE: The cost C (in $) to rent an apartment is $640 per month, plus a $500 nonrefundable security... Problem 126PE: For a certain college, the cost C (in $) for taking classes the first semester is S 105 per... Problem 127PE Problem 128PE Problem 129PE Problem 130PE Problem 131PE Problem 132PE Problem 133PE Problem 134PE Problem 135PE Problem 136PE Problem 137PE Problem 138PE Problem 139PE Problem 140PE Problem 141PE Problem 142PE Problem 143PE Problem 144PE Problem 145PE Problem 146PE Problem 147PE Problem 148PE Problem 149PE: For Exercises 147-150, determine the sign of the expression. Assume that a, b, and c are real... Problem 150PE Problem 151PE Problem 152PE Problem 153PE: For Exercises 151-154, write the set as a single interval. 153. [(,2)(4,)][5,3) Problem 154PE Problem 155PE Problem 156PE Problem 157PE Problem 158PE: For Exercises 155-158, use a calculator to approximate the expression to 2 decimal places. 158. 6354 format_list_bulleted