Find the average of the set of numbers., and 

A.
B.
C.
D.


Answer: C

Mathematics

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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. 42 m C. 105 m D. 63 m

Mathematics

Solve the problem.How many cubes with 1-inch sides can be placed in a rectangular solid of length = 6 inches,  and 

A. 56 B. 336 C. 21 D. 42

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Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 10 feet?

A. 2.0 sec B. 9.1 sec C. 11.0 sec D. 8.9 sec

Mathematics

Find the product or quotient, as indicated. Leave your answer in trigonometric form.Find the quotient.

A. 2[cos (-180°) + i sin (-180°) ]
B. [cos (-180°) + i sin (-180°) ]
C.
D. 2

Mathematics