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. 126 m
B. 105 m
C. 42 m
D. 63 m
Answer: B
Mathematics
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Use a truth table to determine whether the symbolic form of the argument is valid or invalid.p ? q
? ~q
A. Valid B. Invalid
Mathematics
Simplify.(10x2y4)-1(2x2y)4
A. 
x6
B. 
x0
C. 
x0
D. 
x6
Mathematics
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Simplify. Express the answer using positive exponents.(-2p-5q5r-5)4
A. (-2)4p20q20r20
B. 
C. 
D. 
Mathematics