Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 7.73
B. x = 5.4
C. x = 0.35
D. x = 35
Answer: D
Mathematics
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Solve.The following graph shows the number of male and female athletes at a university over a four-year period. 
Which year had the smallest number of male athletes? What was the total number of male athletes that year?
A. Year 1; 150 athletes B. Year 4; 475 athletes C. Year 1; 200 athletes D. Year 2; 300 athletes
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Multiply.0.0071 × 8.7
A. 0.06177 B. 0.0006177 C. 0.6177 D. 0.006177
Mathematics
Find the product.(3a + 5)(-9a + 2)
A. -27a2 + 39a + 10 B. -27a2 + 51a + 10 C. -27a2 + 10 D. -27a2 - 39a + 10
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Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = (x + 1)2 - 4
A. (1, -4) B. (-1, -4) C. (1, 4) D. (-1, 4)
Mathematics