Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 17.5 in.
B. 11.5 in.
C. 152.5 in.
D. 305 in.
Answer: A
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Solve the problem.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 , where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule. Use 2 subintervals. Round your answer to the nearest hundredth.
A. 3.68 ft B. 5.11 ft C. 2.34 ft D. 3.41 ft
Shade the regions representing the set.(A ? B) ? (A ? B)' 
A. 
B. 
C. 
D. 
Solve the problem.Two angles are complementary if their sum is 90°. If the measure of the first angle is x°, and the measure of the second angle is (3x - 2)°, find the measure of each angle.
A. 1st angle = 31°; 2nd angle = 59° B. 1st angle = 22°; 2nd angle = 68° C. 1st angle = 22°; 2nd angle = 64° D. 1st angle = 23°; 2nd angle = 67°
Find the sum of  figure 1.png)
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