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 = 
Mathematics
? 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. 
Mathematics
Add to get the exact answer.724 + 928 + 95 + 9354
A. 10,091 B. 10,001 C. 11,101 D. 10,991
Mathematics
Choose the most reasonable unit of measure.An apple: 363 
(mg, g, or kg)
A. mg B. g C. kg
Mathematics