Solve the problem.A polygon has 27 diagonals. How many sides does it have?
A. 10
B. 8
C. 12
D. 9
Answer: D
Mathematics
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Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.5
÷ 8
A. 
B. 
C. 
D. 
Mathematics
Find the natural number b that makes the expression a perfect square trinomial.x2 + 6x + b
A. 6 B. 36 C. 9 D. 3
Mathematics
Solve the problem.Two pulleys, one with a radius of 19 inches and the other with a radius of 
are connected by a belt. If the larger pulley makes 
per minute, how many revolutions per minute does the smaller pulley make? Round your answer to the nearest tenth.
A. 0.5 rpm B. 8.4 rpm C. 4.8 rpm D. 42.8 rpm
Mathematics
Find the derivative of f at the given point.f(x) = x2 + 5x at x = 4
A. 9 B. 21 C. 13 D. 3
Mathematics