Solve the problem.A toy rocket is shot vertically upward from the ground. Its distance in feet from the ground in t seconds is given by  . At what time(s) will the ball be  from the ground?

A. 12.5 sec
B. 6.3 sec
C. 1.2 and 11.3 sec
D. 194.0 and 206.0 sec


Answer: C

Mathematics

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Solve the equation for y.5x + 8y - 4z = 11

A. y = 
B. y = 4z - 5x + 3
C. y = 
D. y = 

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? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.Given that sin ? =  and cos ? = , find the value of sec ?.

A.
B.
C.
D.

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Add to get the exact answer.724 + 928 + 95 + 9354

A. 10,091 B. 10,001 C. 11,101 D. 10,991

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Choose the most reasonable unit of measure.An apple: 363  (mg, g, or kg)

A. mg B. g C. kg

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