Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 5 miles per hour and Fred rides 7 miles per hour. In how many hours will they be 60 miles apart?
A. 4 hours
B. 6 hours
C. Not enough information
D. 5 hours
Answer: D
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Solve the right triangle. If two sides are given, give angles in degrees and minutes.
A = 11° 14', c = 247 ftRound side lengths to two decimal places.
A. B = 79° 45'; a = 48.12 ft; b = 238.27 ft B. B = 78° 46'; a = 48.12 ft; b = 242.27 ft C. B = 78° 45'; a = 51.32 ft; b = 243.47 ft D. B = 78° 46'; a = 47.55 ft ; b = 241.38 ft
Find the depreciation per unit. Round to the nearest cent.Cost: $19,000Salvage: $1,900Est. Life: 220,000 miles
A. $0.09 B. $0.80 C. $0.08 D. $0.90
Graph.-4 < y ? -1
A. 
B. 
C. 
D. 
Solve using elimination.
A. x = 0, y= -3; x = 0, y = 3 or (0, -3), (0, 3) B. x = -8, y= 0; x = 8, y = 0 or (-8, 0), (8, 0) C. x = 0, y= -8; x = 0, y = 8 or (0, -8), (0, 8) D. No real solution exists.