Solve the problem.A cruise boat travels 36 miles downstream in 3 hours and returns to its starting point upstream in 12 hours. Find the speed of the stream.
A. 7.5 mph
B. 12 mph
C. 4.5 mph
D. 19.5 mph
Answer: C
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The figure below is a square ABCD with center O. (M, N, P, and Q are the midpoints of the sides.)
The image of A under a 90° clockwise rotation with center O is
A. M. B. B. C. D. D. C. E. none of these
Find the modified quota asked for. Round your answer to two decimals.A small city has 46 police officers to be apportioned among 8 precincts based on the population of each precinct. The populations are given in the following table. 
Find the modified quota for the Sixth Precinct using the divisor 513.
A. 8.03 B. 7.98 C. 7.85 D. 7.79
Change the word statement to an equation. Use x as the variable.When 2 times a number is subtracted from 7 times the number, the result is 55.
A. 2x(7 - x) = 55 B. 7x - 2x = 55 C. 2x + 11x = 55 D. 2(x - 7) = 55x
Using synthetic division, determine whether the numbers are zeros of the polynomial.2i, -i, -6; f(x) = x3 + 6x2 + x + 6
A. No; yes; yes B. No; no; no C. No; no; yes D. Yes; yes; no