Solve.A 7-ft. board is cut into 2 pieces so that one piece is 3 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.
A. shorter piece: 1 ft; longer piece: 6 ft
B. shorter piece: 3.5 ft; longer piece: 21 ft
C. shorter piece: 9 ft; longer piece: 24 ft
D. shorter piece: 18 ft; longer piece: 21 ft
Answer: A
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Find the prime factorization of the number.198
A. 22 ? 32 ? 11 B. 2 ? 3 ? 11 C. 2 ? 32 ? 11 D. 22 ? 32
Find the average rate of change for f(x) on the given interval.f(x) = (x - 8)2 - 81, [1, 20]
A. 11 B. 5 C. -11 D. -5
Solve the problem.The price of a certain commodity is a function of supply and demand. The table below shows the price of the commodity per barrel between 2012 and 2017. Find the average annual rate of change between 2015 and 2017.
A. $3.00 per year B. -$12.00 per year C. $12.00 per year D. $24.00 per year
Multiply or divide as indicated.
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A. 
B. 
C. 
D. 