Evaluate.-x2 for x = - 9
A. - 81
B. - 
C. 81
D. 
Answer: A
Mathematics
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Change to an equivalent expression involving an exponent.logb r = s
A. rb = s B. br = s C. bs = r D. rs = b
Mathematics
Mathematics
Solve the problem.Suppose that 
= 2. Find 
and 
.
A. 2; -2 B. 2; 2 C. 0; 2 D. 0; -2
Mathematics
Divide. Round your answer to the nearest hundredth when necessary.1.12 ÷ 2
A. 5.6 B. 15.6 C. 1.56 D. 0.56
Mathematics