Solve the problem.Karen and Ivan traveled at 115 kilometers/hour for 4.7 hours. Their total trip will be 630 miles long. How many miles do they still need to travel? (Round your answer to the nearest whole mile, if necessary.)
A. 559 mi
B. 90 mi
C. 295 mi
D. 474 mi
Answer: C
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Solve the problem.Any offset between a stationary radar gun and a moving target creates a "cosine effect" that reduces the radar mileage reading by the cosine of the angle between the gun and the vehicle. That is, the radar speed reading is the product of the actual reading and the cosine of the angle. Find the radar reading to the nearest hundredth for the auto shown in the figure. 
A. 30.82 mph B. 80.29 mph C. 86.93 mph D. 85.07 mph
Add or subtract as indicated. Simplify, if necessary. 
k + 
k
A. 
k
B. 1
C. k
D. 
k2
Solve.A rectangular metal sheet has an area of 91 square centimeters. Four squares with sides 2 cm are cut from the corners of the sheet, and the edges are bent upward to form an open box with a volume of 27 cubic centimeters. Find the dimensions of the box.
A. Length = 9 cm; width = 3 cm; height = 2 cm B. Length = 11 cm; width = 5 cm; height = 2 cm C. Length = 13 cm; width = 7 cm; height = 2 cm D. Length = 9 cm; width = 2 cm; height = 3 cm
Find the mode or modes (if any).84, 25, 84, 13, 25, 29, 56, 84
A. 42.5 B. 84 C. 50 D. no mode