Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 20, c = 25
A. a = 45
B. a = 5
C. a = 15
D. a = 225
Answer: C
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For a satellite orbiting Earth, the time required to complete a single orbit is known as the period. The period P, in hours, is related to the distance D, in miles, from the center of Earth by the formula 
.
What happens to the distance as the period increases? A graph of D versus P can help you answer this question.
?
A. Distance increases as period increases. B. Distance decreases as period increases. C. Distance is at a maximum. D. Concavity changes as the period increases.
Solve the system of equations.
A. 
B. ?
C. {(x, y)| 9x - 8y = 4}
D. (3, 4)
Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 22 sec B. 44 sec C. 33 sec D. 11 sec
Solve the rational equation.
+ 
= 
+ 
A. 
B. 
C. 
D. 