Factor completely, if possible.80x2 + 200x + 125
A. 5(16x2 + 40x + 25)
B. (20x + 25)(4x + 5)
C. 5(4x + 5)2
D. 5(4x - 5)(4x + 5)
Answer: C
Mathematics
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Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (etcos t)i + (etsin t)j + 8etk
A. 
et - 
B. 
et - 
C. 
et - 
D. 
et - 
Mathematics
Solve the problem.There are 769 jelly beans in a jar. If 40 people take 19 jelly beans each from the jar, then how many are left?
A. 9 B. 8 C. 12 D. 14
Mathematics
Simplify the expression by combining any like terms.2x2 - 4x - 7 + 6x - 6 + 4x2
A. 6x2 + 2x - 13 B. -5x3 C. 6x4 + 2x2 - 13 D. -3x2 + 8x - 10
Mathematics
Solve the rational inequality. Write the solution set in interval notation.
< 0
A. (-?, ?) B. (-?, -4) C. ? D. (-4, 0)
Mathematics