Divide and simplify.
÷ 4
A. None of these
B. 
C. 
D. 
Answer: B
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Solve the problem.Natasha rides her bike (at a constant speed) for 2 hours, helped by a wind of 3 miles per hour. Pedaling at the same rate, the trip back against the wind takes 8 hours. Find find the total round trip distance she traveled.
A. 32 miles B. 10 miles C. 16 miles D. 8 miles
Fill in the table to solve the problem.
A. amount of rain: 5.9 in.; rain per day: 0.6 in. B. amount of rain: 5.9 in.; rain per day: 0.3 in. C. amount of rain: 4.3 in.; rain per day: 30.1 in. D. amount of rain: 4.3 in.; rain per day: 0.6 in.
Find the perimeter of the shaded triangle.
A. 32
yd
B. 27
yd
C. 64
yd
D. 26
yd
Solve the problem by writing and using a system of linear equations.Find the amount of a 12% saline solution a lab assistant should add to 60 cc (cubic centimeters) of a 22% in order to have 15% solution.
A. 190 cc B. 40 cc C. 140 cc D. 10 cc