Evaluate the expression with the given replacement values.x2 when x = -5
A. -10
B. 10
C. 25
D. -25
Answer: C
Mathematics
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Decide whether the statement is true or false.There are two different rational numbers given by the list:
, 
, and 
A. True B. False
Mathematics
Solve the problem.EJ can overhaul a boat's diesel inboard engine in 30 hours. His apprentice takes 60 hours to do the same job. How long would it take them working together assuming no gain or loss in efficiency?
A. 12 hr B. 8 hr C. 20 hr D. 90 hr
Mathematics
Complete the given table by finding the two missing values.
A. 3.76%; 
B. 37.6%; 
C. 3.76%; 
D. 37.6%; 
Mathematics
Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Mathematics