Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 13 mph
Hike: 3 mph
B. Bike: 11
mph
Hike: 1
mph
C. Bike: 14
mph
Hike: 4
mph
D. Bike: 12 mph
Hike: 2 mph
Answer: D
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Solve the problem.A triangle has height h and area A=16 h2 - 2h. Find its base b, in terms of h.(Hint: A=
bh)
A. 3 h - 4 B. 16h - 2 C. 32h + 4 D. 32h - 4
Use the quadratic formula to solve the given equation.2x2 = -3x - 2
A. 
B. 
C. 
D. 
Solve graphically.y = 2x - 14x - 2 = 2y
A. No solution B. (0, 1) C. Infinitely many solutions D. (0, -1)
Use percents, percent equations, and/or percent proportions to solve the application.There are approximately 925,466 registered nurses in a given country. It is expected that this number will grow to 1,438,858 over the next three years. What is the percent increase? Round to the nearest tenth of a percent.
A. 5.5% B. 55.5% C. 35.7% D. 3.6%