Solve the problem.A ball is dropped from a height of 21 m and always rebounds 
of the height of the previous drop. How far does it travel (up and down) before coming to rest?
A. 105 m
B. 42 m
C. 126 m
D. 63 m
Answer: A
Mathematics
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Solve the systems of equations by the addition method. 
A. {(0, -1)} B. {(0, 0)} C. no solution; ? D. {(3, -4)}
Mathematics
Find the value of the determinant.
A. -8 B. 8 C. 64 D. 4
Mathematics
Solve the problem.A 26 foot water slide has a 23 foot vertical ladder. How far is it along the ground from the end of the slide back to the base of the ladder that leads to the slide?
A. ? 73.5 ft B. ? 1.7 ft C. ? 12.1 ft D. ? 34.7 ft
Mathematics
Find the equation that the given graph represents.
A. P(x) = -x5 - 3x2 + 6 B. P(x) = x4 - 3x2 + 6 C. P(x) = x5 + 2x3 + 6 D. P(x) = x6 - 2x2 - 6
Mathematics