Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 128 ft deep, during what interval can the flare be seen?(h = -16t2 + vot + ho.)
A. 0 < t < 2
B. 2 < t < 4
C. 4 < t < 6
D. 6 < t < 8
Answer: B
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA projectile is fired at a speed of 1160 m/sec at an angle of 32°. How long will it take to get 29 km downrange? Round your answer to the nearest whole number.
A. 29 sec B. 27 sec C. 31 sec D. It will never get that far downrange.
Find the mean, median, and mode for the given data set.8, 6, 5, 2, 12, 8, 8, 6, 2, 12, 8, 5, 14, 2, 8, 8, 5, 6, 2, 8
A. Mean = 6.75, median = 6, mode = 8 B. Mean = 7.25, median = 6, mode = 14 C. Mean = 6.75, median = 8, mode = 8 D. Mean = 6.75, median = 7, mode = 8
Solve the formula for the specified variable.V = 
Bh for h
A. h = 
B. h = 
C. h = 
D. h = 
Solve the equation.7.8m + 3m - m = 29.4
A. 3.0 B. 7.8 C. 30 D. 9.8