Find the circumference of the circle. Use ? ? 3.14 and round to the nearest hundredth.diameter = 47 m
A. 147.58 m
B. 6,936.26 m
C. 295.16 m
D. 73.79 m
Answer: A
Mathematics
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Solve.-36r + 24 ? -6(5r - 5) Put your answer in interval notation.
A. (-?, -1) B. (-?, -1] C. (-1, ?) D. [-1, ?)
Mathematics
Find the line of symmetry.f(x) = 3x2 + 18x + 28
A. x = -3 B. x = 3 C. x = 1 D. x = -1
Mathematics
Perform the indicated operations. Subtract -2 + 6x4 + 4x5 + 8x3 + 8x from the sum of -2x3 + 8x - 8 and 8x5 - 8x4.
A. 4x5 - 2x4 + 6x3 - 10 B. 12x5 - 2x4 + 6x3 - 10 C. 12x5 - 2x4 + 6x3 - 6 D. 4x5 - 14x4 - 10x3 - 6
Mathematics
Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 17 in. B. 8.5 in. C. 0 in. D. 289 in.
Mathematics