Use the power rules for exponents to simplify the expression. Write the answer in exponential form.(8rt)3
A. 8r3t3
B. 83r3t
C. 83rt3
D. 83r3t3
Answer: D
Mathematics
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Let 
. Find the value of the function.
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Fill in the blank(s) with the appropriate word(s).
Mathematics
Express the rational expression in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Multiply.(z - 5)(z + 10)
A. z2 + 5z - 50 B. 2z - 50 C. z2 - 5z + 50 D. 2z2 + 50
Mathematics
Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $30 for the repairman to come to the house, to which a charge of $23 per hour is added. Find an equation that can be used to determine the labor cost, C(x), of a repair that takes x hours.
A. C(x) = ( 30 + 23) x B. C(x) = 30 + 23x C. C(x) = 30 - 23x D. C(x) = 23 + 30x
Mathematics