Use a polar coordinate system to plot the point with the given polar coordinates.(-4, 405°)
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use the Trapezoidal Rule to estimate the total amount of water flowing into the pond during this period.
A. 9050.0 gallons B. 11,350 gallons C. 9983.3 gallons D. 9975 gallons
Factor the difference of squares.9s5 - 25st4
A. (3s2 + 5st2)(3s2 - 5st2) B. s(3s2 + 5t2)(3s2 - 5t2) C. s(3s2 + 5t2)(s + t)(s - t) D. 9s(s2 + t2)(s + t)(s - t)
Multiply.(2x - 2)(2x - 2)
A. 2x2 - 8x - 9 B. 4x2 - 8x + 4 C. 4x2 + 4x - 8 D. 2x2 - 9x + 4
Solve the problem.The linear equation in two variables y = 1200x + 2646 models the altitude above sea level, y, in feet, of an airplane x minutes after taking off from a high plateau. The equation indicates that the airplane's altitude is initially 2646 feet above sea level and increases 1200 feet each minute. Find a solution of 
using 4 for x.
A. (4, 7546) B. (4, 4800) C. (4, 7446) D. (4, 7346)