Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
A. 
B. x13y7
C. 
D. 
Answer: C
Mathematics
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Perform the indicated operation.
A. -25
B. 
C. 25
D. 15
Mathematics
Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth unless otherwise indicated.A cylindrical drain pipe is 5 in across the top and about 9 in high. How many cubic inches of water could it hold?
A. 282.6 in3 B. 706.5 in3 C. 176.6 in3 D. 353.3 in3
Mathematics
Solve the problem.A $3500 necklace is on sale at 30% off. Find the sale price.
A. $1050.00 B. $3395.00 C. $2450.00 D. $105.00
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
(log4 x + log4 y)
A. log4 
B. log4 
+ log4 
C. log4 
D. 
Mathematics