Solve the problem.A coin is tossed upward from a balcony 
high with an initial velocity of 
During what interval of time will the coin be at a height of at least 
(h = -16t2 + vot + ho.)
A. 4 ? t ? 5
B. 0 ? t ? 1
C. 0 ? t ? 5
D. 5 ? t ? 10
Answer: C
Mathematics
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Find the product.(6)(-9x - 8)
A. -54x - 8 B. -9x - 48 C. -54x - 48 D. -102x
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Solve the problem.A one-story office building is 110 ft by 250 ft. If a square patio with sides of 15 ft occupies the center of the building, how much area remains for offices?
A. 705 sq. ft B. 720 sq. ft C. 27,275 sq. ft D. 660 sq. ft
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Graph.y = -6(x + 6)2 + 3
A. 
B. 
C. 
D. 
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Mathematics