Factor.50x2 + 80x + 32
A. 2(25x2 + 40x + 16)
B. 2(5x - 4)(5x + 4)
C. 2(5x + 4)2
D. (10x + 8)(5x + 4)
Answer: C
Mathematics
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 8
B. s = 2 cos 
+ 4
C. s = -2 cos 
+ 3
D. s = -2 cos 
+ 4
Mathematics
Solve the inequality. Graph the results.7x + 12 ? 6x + 15
A. x ? 3
B. x ? 3 
C. x > 7 
D. x < 7 
Mathematics
Express the fraction or mixed number as a percent.
A. 120% B. 15% C. 150% D. 125%
Mathematics
Solve the given equation for the indicated variable.S = 2?rh + 2?r2 for h
A. h = 
B. h = 2?(S - r)
C. h = 
- 1
D. h = S - r
Mathematics