Following the order of operations, evaluate by working from left to right.-8 ? (-14) ÷ (7)
A. -16
B. 16
C. - 
D. 
Answer: B
Mathematics
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Solve the problem.The altitude h (in m) of a rocket is given by h = -2t3 + 90t2 + 400t + 30, where t is the time (in s) of the flight. When does the rocket hit the ground?
A. 50.107 s B. 49.081 s C. 47.529 s D. 46.327 s
Mathematics
Find an equation for the hyperbola described. Graph the equation.Focus at (
, 0); vertices at (-5, 0), (5, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the domain of the function.f(x) = 
A. {x|x ? 0} B. all real numbers C. {x|x > -15} D. {x|x ? -15}
Mathematics
?Find 
, if 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics