Solve the problem.A projectile is thrown upward so that its distance (in feet) above the ground after t seconds is 
What is its maximum height?
A. 4212 ft
B. 14,256 ft
C. 191,412 ft
D. 5915 ft
Answer: A
Mathematics
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Find the directrices of the hyperbola.49x2 - 576y2 = 28,224
A. y = ± 
B. x = ± 
C. x = ± 
D. y = ± 
Mathematics
Find the exact value of the expression. Do not use a calculator.
, if ? = 45°
A. 
B. 6
C. 
D. 
Mathematics
Estimate the sum or difference by first rounding each value to the indicated place value.-904.65 -(- 41.33)
round each to the nearest ten
A. 860 B. -860 C. -850 D. 850
Mathematics
Solve the system.-0.5x + 0.7y = -0.5-0.6x - 0.1y = 4.1
A. {(-5, -6)} B. {(-6, -5)} C. {(-0.6, -0.5)} D. {(-60, -50)}
Mathematics