Multiply.(4x2 + 5)(5x - 6)
A. 20x3 - 30
B. 20x2 + 25x - 30
C. 20x3 - 24x2 + 25x - 30
D. 20x3 - 24x2 - 25x - 30
Answer: C
Mathematics
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that passes through the point 
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A. x2 + y2 = 7 B. x2 + y2 = 5 C. x + y = 5 D. x2 + y2 = 25
Mathematics
Solve by the substitution method.x + 7y = -222x + 6y = -12
A. {(-6, -3)} B. {(6, -4)} C. {(5, -3)} D. ?
Mathematics
Solve the problem.A bicycle wheel makes 4 revolutions. Determine how far the bicycle travels in inches if the diameter of the wheel is 22 in. 
Round to the nearest tenth.
A. 69.1 in. B. 552.6 in. C. 88 in. D. 276.3 in.
Mathematics
Use mathematical induction to prove the following.If a is a constant and 0 < a < 1, then an < 1.
What will be an ideal response?
Mathematics