Determine the position of the hand relative to the shoulder by considering the robotic arm illustrated in the figure. Round the answer to the nearest tenth.? = 62°, ? = 10° 
A. (13.8, 41.2°)
B. (13.8, -41.2°)
C. (13.8, -48.8°)
D. (13.8, 48.8°)
Answer: D
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Solve.A carpenter wants to make a semicircular deck by cutting four equal pieces of wood as shown. Measure the angle of one of the pieces. Describe another way to determine the angle measure without using a protractor.
A. 90°; Since two of the pieces form a right angle, one of the pieces measures 1/2(180°), or 90°. B. 40°; Since two of the pieces form a right angle, one of the pieces measures 1/2(80°), or 40°. C. 45°; Since two of the pieces form a right angle, one of the pieces measures 1/2(90°), or 45°. D. 60°; Since two of the pieces form a right angle, one of the pieces measures 1/2(120°), or 60°.
Express the abbreviation 12.2 cis 174.3° as a polar number.
What will be an ideal response?
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.66 ? 64
A. 3624 B. 624 C. 3610 D. 610
Evaluate the polynomial for the given value.x + 8 when x = 4
A. 26 B. 4 C. 32 D. 12