Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
A. 0
B. 
C. -1
D. 1
Answer: D
Mathematics
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Represent the quantity by an integer.$125 loss
A. -125 B. 125
Mathematics
Set up the percent proportion for the application problem. Do not try to solve for any unknowns.Sales tax of $23 is charged on an item that costs $900. What percent sales tax is charged?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Simplify.(42.1 - 1.5) × (-16)
A. -649.6 B. 665.6 C. -18.1 D. -6496
Mathematics
Provide an appropriate response.Fill in the blank to complete the statement. Cramer's rule is a method for solving systems of equations which uses 
.
A. row operations B. augmented matrices C. determinants D. graphing
Mathematics