Multiply.(-4x - 5)(-2x - 9)
A. -6x2 + 46x + 45
B. 8x2 + 46x + 46
C. -6x2 + 46x + 46
D. 8x2 + 46x + 45
Answer: D
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Which of the following is not true about similar Polygons?
A. ?If two corresponding angles between two polygons are congruent, then the polygons are similar. B. ?If A = 30?, B = 60?, then B' = 60?. C. ?If A = ?50?, A' = 50?, then the triangles are similar. D. If B = 50?, C = 60?, then A = 70?. E. ?If A, B, and C are each congruent to A', B', and C' respectively, then the triangles are similar. F. ?None of the above.
Solve.The Forest County school system has 3605 high school students, 3831 middle school students, and 5231 elementary school students. How many total students are in the Forest County school system?
A. 12,667 B. 12,627 C. 12,722 D. 12,575
Use the theorem on bounds to establish the best integral bounds for the roots of the equation.3x5 + 6x3 - 8x2 + 4 = 0
A. -1 < x < 4 B. -1 < x < 1 C. -4 < x < 1 D. -4 < x < 4
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 8x, g(x) = 
A. No, yes B. Yes, no C. No, no D. Yes, yes