Solve the problem.A certain number is three times as large as a second number. Their sum is 120. What are the two numbers?
A. 28 and 84
B. 93 and 27
C. 28 and 92
D. 30 and 90
Answer: D
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Solve the problem.A glide reflection having axis of reflection as shown below sends point P to point Q. The image of point R under this same glide reflection is
A. A B. B C. C D. D E. none of these
Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.(-6, 0) and (0, 7)
A. y = - 
x + 7
B. y = 
x + 7
C. y = - 
x + 7
D. y = 
x + 7
Simplify. Assume that variables can represent any real number.
A. ?z? - 5 B. -z + 5 C. z - 5 D. ?z - 5?
Consider the feasible set shown below that corresponds to a certain linear programming problem. Three of the boundary lines are labeled with their slopes.
The objective function 2x + 3y is a maximum at what point?
A. A. B. B. C. C. D. D. E. O.