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Problem 54
Add or subtract as indicated. Write answers in lowest terms as needed.2/9 + 5/9
Problem 54
Simplify each expression. Write answers without negative exponents. Assume all variables represent nonzero real numbers. y8/y12
Problem 54
Find each product. [(9r-s)+2][(9r-s)-2]
Problem 54
Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. D ⊆ A
Problem 55
Find each product. [(3a+b)-1]2
Problem 55
Simplify each expression. Write answers without negative exponents. Assume all variables represent nonzero real numbers. 64/6-2
Problem 55
Use the rules for radicals to perform the indicated operations. Assume all variable expressions represent positive real numbers. √14 • √3pqr
Problem 55
Factor each trinomial, if possible. See Examples 3 and 4. 4x2y2+28xy+49
Problem 55
Add or subtract as indicated. Write answers in lowest terms as needed. 7/12 + 1/12
Problem 55
Find each product or quotient where possible. 4(0)
Problem 55a
Add or subtract, as indicated. 1/a + b/a2
Problem 56
Factor each trinomial, if possible. See Examples 3 and 4. 9m2n2+12mn+4
Problem 56
Find each product or quotient where possible. 0(-8)
Problem 56
Find each product. [(2m+7)-n]2
Problem 56
Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. B ⊆ C
Problem 57
Use the rules for radicals to perform the indicated operations. Assume all variable expressions represent positive real numbers. ∛ 7x • ∛ 2y
Problem 57
Find each product. (y+2)3
Problem 57
Factor each trinomial, if possible. See Examples 3 and 4. (a-3b)2-6(a-3b)+9
Problem 57
Simplify each expression. Write answers without negative exponents. Assume all variables represent nonzero real numbers. 4r-3/6r-6
Problem 57
Find each product or quotient where possible. -5/2 (-12/25)
Problem 57a
Add or subtract, as indicated. 5/12x2y - 11/6xy
Problem 58
Factor each trinomial, if possible. See Examples 3 and 4. (2p+q)2-10(2p+q)+25
Problem 58
Find each product. (z-3)3
Problem 58
Let A = {2, 4, 6, 8, 10, 12}, B = {2, 4, 8, 10}, C = {4, 10, 12}, D = {2, 10}, andU = {2, 4, 6, 8, 10, 12, 14}. Determine whether each statement is true or false. ∅ ⊆ ∅
Problem 59
Use the rules for radicals to perform the indicated operations. Assume all variable expressions represent positive real numbers. √9/25
Problem 59
Find each product or quotient where possible. -3/8 (-24/9)
Problem 59
Simplify each expression. Write answers without negative exponents. Assume all variables represent nonzero real numbers. 16m-5n4/12m2n-3
Problem 59
Factor each polynomial. See Examples 5 and 6. 9a2-16
Problem 59
Find each product. (q-2)4
Problem 59a
Add or subtract, as indicated. (17y + 3)/(9y + 7) - (-10y - 18)/(9y + 7)