Evaluate the expression without a calculator.log2 (log7 7)

A. 1
B. 7
C. 0
D. 2

Answer: C

Mathematics

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A. (0, -1) B. (1, -1) C. No solution D. (-1, 0)

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Factor the polynomial by grouping.10x2 - 25x + 6x - 15

A. (10x - 3)(x + 5) B. (5x - 3)(2x + 5) C. (5x + 3)(2x - 5) D. (10x + 3)(x - 5)

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Solve the problem.Jay drove 365 kilometers at the average rate of 73 kilometers per hour. How long did the trip take?

A. 6 hr 
B.  hr
C. 5 hr 
D. 4 hr 

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Solve.Six times the sum of a number and -162 is 18. Find the number.

A. -24 B. 30 C. -159 D. 165

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