Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 10.198 cm
B. 52 cm
C. 104 cm
D. 13 cm
Answer: A
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Use the quadratic formula to find the exact solutions.x2 + 10x = -16
A. -2, 8 B. -2, -8 C. -8, 2 D. 2, 8
Determine a window that will provide a comprehensive graph of the polynomial function.y = 3x3 - 26x2 + 18x - 47
A. [-10, 10] by [-150, 150] B. [-8, 10] by [-100, 300] C. [-5, 5] by [-500, 100] D. [-3, 10] by [-400, 100]
Solve the problem.A plane takes off from an airport on the bearing S29°W. It continues for 20 minutes then changes to bearing 
and flies for 2 hours 20 minutes on this course then lands at a second airport. If the plane' s speed is 420 mph, how far from the first airport is the second airport? Round your answer correct to the nearest mile.
A. 1110 mi B. 1010 mi C. 1111 mi D. 1011 mi
Simplify the following by combining like terms.9x9 + 4x6 + 5x9
A. 18x6 B. 14x9 + 4x6 C. 18x24 D. cannot be simplified