Use least common multiple or greatest common divisor to solve the problem.A brick layer is hired to build three walls of equal length. He has bricks which are 9 inches, 27 inches, and 15 inches long. He plans to build one wall out of each type of brick. What is the shortest length of wall possible?
A. 51 inches
B. 135 inches
C. 3645 inches
D. 405 inches
Answer: B
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Solve the application problem. Round to the nearest cent.
Find the amount of each payment into a sinking fund if $14,000 must be accumulated. Payments are made at the end of each quarter for 3 years, with interest of 6% compounded quarterly.
A. $829.92 B. $1,073.52 C. $1,180.06 D. $4,597.32
Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Express the repeating decimal as a fraction in lowest terms.0.
= 
+ 
+ 
+ 
+ . . .
A. 
B. 
C. 
D. 
Determine where the function is increasing and where it is decreasing.f(x) = x2 + 8x + 7
A. increasing on (-9, ?) decreasing on (-?, -9) B. increasing on (-4, ?) decreasing on (-?, -4) C. increasing on (-?, -4) decreasing on (-4, ?) D. increasing on (-?, -9) decreasing on (-9, ?)