Problem 1SP: Determine the restrictions on the variable. a.x+4x3b.5c216c.67ab3 Problem 2SP: Simplify. a.x28xx27x8b.3+956 Problem 3SP Problem 4SP Problem 5SP: Subtract the rational expressions and simplify the result. tt2+5t+62t2+3t+2 Problem 6SP: Simplify. 17+1yy77y Problem 7SP Problem 8SP: Simplify. 51+hh5 Problem 9SP Problem 1PE: A expression is a ratio of two polynomials. Problem 2PE Problem 3PE Problem 4PE: The ratio of a polynomial and its opposite equals . Problem 5PE Problem 6PE Problem 7PE: For Exercises 7 – 14, determine the restrictions on the variable. (See Example 1) x4x+7 Problem 8PE: For Exercises 7-14, determine restrictions on the variable. (See Example 1) y1y+10 Problem 9PE: For Exercises 7-14, determine the restrictions on the variable. (See Example 1) aa281 Problem 10PE: For Exercises 7-14, determine the restrictions on the variable. (See Example 1) tt216 Problem 11PE: For Exercises 7 – 14, determine the restrictions on the variable. (See Example 1) aa2+81 Problem 12PE Problem 13PE Problem 14PE Problem 15PE: Determine which expressions are equal to 5x3 . a.5x3 b.53x c.53x d.53x Problem 16PE Problem 17PE Problem 18PE: For Exercises 17-26, simplify the expression and state the restrictions on the variable. (See... Problem 19PE: For Exercises 17-26, simplify the expression and state the restrictions on the variable. (See... Problem 20PE: For Exercises 17-26, simplify the expression and state the restrictions on the variable. (See... Problem 21PE Problem 22PE Problem 23PE: For Exercise 17-26, simplify the expression and state the restrictions on the variable. (See Example... Problem 24PE: For Exercises 17-26, simplify the expression and state the restrictions on the variable. (See... Problem 25PE Problem 26PE Problem 27PE: For Exercises 27-34, multiply or divide as indicated. The restrictions on the variable are implied.... Problem 28PE: For Exercises 27-34, multiply or divide as indicated. The restrictions on the variables are implied.... Problem 29PE Problem 30PE: For Exercise 27-34, multiply or divide as indicated. The restrictions on the variables are implied.... Problem 31PE: For Exercise 27-34, multiply or divide as indicated. The restrictions on the variables are implied.... Problem 32PE Problem 33PE: For Exercises 27-34, multiply or divide as indicated. The restrictions on the variables are implied.... Problem 34PE: For Exercises 27-34, multiply or divide as indicated. The restrictions on the variables are implied.... Problem 35PE Problem 36PE Problem 37PE: For Exercises 35-40, identify the least common denominator for each pair of expressions.... Problem 38PE Problem 39PE Problem 40PE Problem 41PE: For Exercises 41-56, add or subtract as indicated. (See Example 4-5) m2m+3+6m+9m+3 Problem 42PE Problem 43PE: For Exercises 41-56, add or subtract as indicated. (See Examples 4-5) 29c+715c3 Problem 44PE Problem 45PE: For Exercises 41-56, add or subtract as indicated. (See Examples 4-5) 92x2y411xy5 Problem 46PE Problem 47PE Problem 48PE: For Exercises 41-56, add or subtract as indicated. (See Examples 4-5) 4m23m Problem 49PE Problem 50PE Problem 51PE: For Exercise 41-56, add or subtract as indicated. (See Examples 4-5) 5y+2y+16y2 Problem 52PE: For Examples 41-56, add or subtract as indicated. (See Examples 4-5) 5t2+4t+23t Problem 53PE Problem 54PE: For Exercises 41-56, add or subtract as indicated. (See Examples 4-5) 2x1x7+x+67x Problem 55PE Problem 56PE Problem 57PE: For Exercises 57-68, simplify the complex fraction. (See Example 6-8) 127x+1913+19x Problem 58PE Problem 59PE Problem 60PE: For Exercises 57-68, simplify the complex fraction. (See Examples 6-8) x32x+33x13+13x Problem 61PE Problem 62PE Problem 63PE Problem 64PE: For Exercises 57-68, simplify the complex fraction. (See Examples 6-8) 41+h4h Problem 65PE: For Exercises 57-68, simplify the complex fraction. ( See Examples 6-8_ 7x+h7xh Problem 66PE Problem 67PE Problem 68PE: For Exercises 57-68, simplify the complex fraction. (See Examples 6-8) 1x+15x23x4+1x4 Problem 69PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 70PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 71PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 72PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent real... Problem 73PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 74PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 75PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 76PE: For Exercise 69-84, simplify the expression. Assume that the variable expressions represent positive... Problem 77PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 78PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent real... Problem 79PE: For Exercise 69-84, simplify the expression. Assume that the variable expressions represent positive... Problem 80PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 81PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 82PE Problem 83PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 84PE: For Exercises 69-84, simplify the expression. Assume that the variable expressions represent... Problem 85PE: The average round trip speed 5 (in mph) of a vehicle travelling a distance of a miles each way is... Problem 86PE: The formula R=11R1+1R2 gives the total electrical resistance R (in ohms, ) when two resistors of... Problem 87PE Problem 88PE Problem 89PE: For Exercises 89-102, simplify the expression. 2x3yx2y+3xyx2+6x+92x+65xy4 Problem 90PE Problem 91PE: For Exercises 89-102, simplify the expression. 42t+1t2t2+17t+8(t+8) Problem 92PE Problem 93PE Problem 94PE: For Exercises 89-102, simplify the expression. c2+13c+18c29+c+1c+3c+8c3 Problem 95PE Problem 96PE Problem 97PE: For Exercises 89-102, simplify the expression. 34253 Problem 98PE Problem 99PE Problem 100PE: For Exercises 89-102, simplify the expression, 105010 Problem 101PE Problem 102PE: For Exercises 89-102, simplify the expression. m412mm+2 Problem 103PE Problem 104PE Problem 105PE Problem 106PE: For Exercises 103-110, write the expression a single tern, factored completely. Do not rationalize... Problem 107PE Problem 108PE Problem 109PE: For Exercises 103-110, write the expression as a single term, factored completely. Do not... Problem 110PE Problem 111PE Problem 112PE Problem 113PE: The numbers 1,2,3,4,5,10,and 20 are natural numbers that are factors of 20. There are other factors... Problem 114PE Problem 115PE: For Exercises 115-120, simplify the expression. w3n+1w3nzwn+2wnz2 Problem 116PE Problem 117PE: For Exercises 115-120, simplify the expression. 523 Problem 118PE Problem 119PE Problem 120PE: For Exercises 121-122 rationalize the numerator by multiplying numerator and denominator by the... Problem 121PE Problem 122PE: For Exercises 121-122 rationalize the numerator by multiplying numerator and denominator by the... format_list_bulleted