Solve the problem.In a right triangle, one acute angle is 54° more than twice the other. Find each acute angle.
A. 12° and 78°
B. 37° and 53°
C. 28° and 62°
D. 21° and 69°
Answer: A
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 3.3073
B. s = -2 cos 
+ 8.2134
C. s = 2 cos 
+ 4
D. s = -2 cos 
+ 4
Write the satement in symbols. Let x represent the unknown number.Eight times the sum of a number and -50.
A. 8(x + (-50)) B. 8x - (-50) C. 8+ x + (-50) D. 8x + (-50)
Solve the problem.Water is steadily pumped out of a flooded basement. Let v be the volume of water (in thousands of gallons) that remains in the basement t hours after water begins to be pumped. A linear model is shown. After how many hours of pumping will all the water be pumped out of the basement?
A. 4 hours B. 5.5 hours C. 4.5 hours D. 5 hours
Find the unknown length in the right triangle. Simplify the answer if necessary.
A. 
B. 6
C. 6
D. 3