Solve the problem.If an object is thrown upward with an initial velocity of 112 ft/sec, its height after t sec is given by 
Find the number of seconds before the object hits the ground.
A. 96 sec
B. 56 sec
C. 7 sec
D. 3.5 sec
Answer: C
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Simplify.
A. 4 B. 128 C. 8 D. 64
Use an identity to write the expression as a single trigonometric function or as a single number.2 cos24x - 1
A. cos 4x
B. 
sin 16x
C. 2 sin 4x
D. cos 8x
Solve.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 216 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 54 cubic inches.
A. 52 pounds per square inch
B. 
pounds per square inch
C. 42 pounds per square inch
D. 56 pounds per square inch
Change the word statement to an equation. Use x as the variable.- 
of a number plus 18 equals 5.
A. - 
x = 18 + 5
B. - 
x + 18 = 5
C. - 
(x + 18) = 5