Solve.y varies directly as x. If y = 24 when x = 8, find y when x = 16.
A. 192
B. 12
C. 48
D. 80
Answer: C
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Solve the problem. Express your answer in simplest form.Alan walked 
mi to the store and then another 
mi to his friend's house. How far did he walk?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Solve the problem.In one area, the lowest angle of elevation of the sun in winter is 21° 7'. A fence is to be built 
away from a plant in the direction of the sun. (See drawing) Find the maximum height, x , for the fence so that the plant will get full sun. Round your answer to the tenths place when necessary.
A. 5.1 ft B. 4.1 ft C. 4.8 ft D. 6.3 ft
A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting the given result.Exactly four twos
A. .083 B. .101 C. .202 D. .075
Solve the system of two equations in two variables. 8x + 8y = -32-4x - 5y = 20
A. (-1, -3) B. (0, -3) C. (0, -4) D. No solution