The wages of the employees of a company are presented in this histogram. Answer the question.
How many employees earn less than $10 an hour?
A. 54
B. 132
C. 48
D. 100
Answer: D
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Solve the problem.Two angles are said to be complementary if their sum is 90°. If one angle measures 
degrees, find the measure of its complement.
A. (
)°
B. 51°
C. 39°
D. (
)°
Evaluate the function at the given values of the variable.f(x) = x2 + 5
a. f(-4)
b. f(-6)
A. 80, 180 B. -40, -60 C. -3, -7 D. 21, 41
Solve the problem.A box is to be made from a rectangular piece of cardboard by cutting a square from each corner and folding up the sides. The rectangular piece of cardboard is originally 28 inches long and 54 inches wide, and the squares removed from the corners are x inches wide. The volume of the box is given by the function 
What restrictions must be placed on x to satisfy the conditions of this model? In other words, what is the domain of this function?
A. 0 < x < 27 B. 0 < x < 14 C. x > 14 D. x > 0
Find the equation of the parabola corresponding to the given information.The parabola has focus ( - 1 , 0 ) and directrix x = 1.
A. x = 
y2
B. x = - 
y2
C. y = 
x2
D. y = - 
x2