Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 3)(
- 1)
A. 
- 3
B. 3
+ 
C. 3
- 
D. 0
Answer: C
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Solve the problem.In a student survey, 112 students indicated that they speak Spanish, 31 students indicated that they speak French, 8 students indicated that they speak both Spanish and French, and 133 students indicated that they speak neither. How many students participated in the survey?
A. 260 B. 135 C. 268 D. 276
Answer the question or provide the appropriate response.A rock is thrown upward from the top of a 34-foot building with an initial velocity of 87 feet per second. Describe how you could use the graph of y = -16x2 + 87x + 34 to find the maximum height attained by the rock.
A. Find the x-coordinate of the vertex. B. Find the y-intercept. C. Find the y-coordinate of the vertex. D. Find the positive x-intercept.
Solve.Given that sin ? = 
and that the terminal side is in quadrant II, find sec ?.
A. - 
B. - 
C. - 
D. - 
Divide using synthetic division.(x4 + 81) ÷ (x - 3)
A. x3 - 3x2 + 9x - 27 + 
B. x3 + 3x2 + 9x + 27 + 
C. x3 + 3x2 + 9x + 27 + 
D. x3 + 3x2 + 9x + 27