Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.Find the circumference and area of a circle having the given diameter.d = 13 mi
A. 40.8 mi; 40.8 mi2
B. 40.8 mi; 132.7 mi2
C. 20.4 mi; 81.6 mi2
D. 20.4 mi; 530.7 mi2
Answer: B
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Solve the problem.The voltage v (in volts) induced in a tape head is given by 
where t is the time (in seconds). Find the average value of v over the interval from t = 0 to t = 2. Round to the nearest volt.
A. 1564 volts B. 6 volts C. 40 volts D. 194 volts
Provide an appropriate response.Convert 88 ft/s to mi/h.
A. 65 B. 60 C. 55 D. 70 E. none of the above
Solve the problem.A famous golfer tees off on a straight 390 yard par 4 and slices his drive to the right. The drive goes 280 yards from the tee. Using a 7-iron on his second shot, he hits the ball 170 yards and it lands inches from the hole. How many degrees (to the nearest degree) to the right of the line from the tee to the hole did he slice his drive?
A. 39° B. 118° C. 23° D. 52°
Simplify.-4(x + 9)
A. -4x - 36 B. -4x + 9 C. -4x + 36 D. x - 36