Solve the application by setting up a proportion. Write a sentence answering the question.13 of those that Stephen called, agreed to donate money. This amounted to 10% of those that he called. How many people did he call?
A. Stephen called 180 people.
B. Stephen called 130 people.
C. Stephen called 120 people.
D. Stephen called 1300 people.
Answer: B
Mathematics
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Find the absolute value.
A. ± 7.19 B. -7.19 C. 7.19 D. 0
Mathematics
Provide an appropriate response.Find 
at t = 0 for the function w = sin(x) cos(y) ln(z) where x = -9t2 + 10t + 
, y = t, z = e7t.
A. 14 B. 7 C. 7e7 D. 1
Mathematics
Determine the center (or vertex if the curve is a parabola) of the given curve.9y2 + 16x2 + 72y = 0
A. (0, -4) B. (-3, 0) C. (0, 4) D. (3, 0)
Mathematics
Evaluate the integral.
A. -3 ln 2 B. 6 ln 2 C. 3 ln 2 D. 3 ln 3
Mathematics