Perform the indicated operation.

A.
B.
C. -
D. -
Answer: D
Mathematics
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Find ? for 0° ? ? < 360° that satisfies the stated conditions. Round your answer to the nearest hundredth.cos ? = -0.85, tan ? < 0
A. 256.79° B. 148.21° C. 238.21° D. 211.79°
Mathematics
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 12, c = 15
A. a = 9 B. a = 10 C. a = 81 D. a = 3
Mathematics
Solve the problem.The string on a balloon is 60 mm long. What is this length measured in cm? Round to the nearest tenth if necessary.
A. 6 cm B. 600 cm C. 6000 cm D. 0.6 cm
Mathematics
Solve the inequality.512x < 8
A. x < 3
B. x < -3
C. x < -
D. x <
Mathematics