Simplify. Assume all variables represent positive real numbers.
A. 8
B. 
C. 
D. 
Answer: C
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Perform the operation and give the answer in the same numeration system. Write the answer as simply as possible.Add 
and 
A. 
B. 
C. 
D. 
Evaluate the variable expression.
, when m = 27 and n = 24
A. -15 B. 1 C. 3 D. 19
Find the values of the variables for which the statement is true, if possible.
= 
A. m = 1; x = 8; n = -8; y = -3; p = 3 B. m = -8; x = 2; n = 1; y = -3; p = 3 C. m = -8; x = 8; n = 1; y = -3; p = 3 D. m = -8; x = 2; n = 8; y = -3; p = 3
Solve the problem.A car rental company has two rental rates. Rate 1 is 
per day plus 
per mile. Rate 2 is 
per day plus 
per mile. If you plan to rent for one day, how many miles would you need to drive to pay less by taking Rate 2?
A. more than 1000 miles B. more than 900 miles C. more than 450 miles D. more than 1800 miles