Solve the problem. Round your answer to the nearest tenth, when appropriate.Use the table below for values of cos (?) and sin (?).
A projectile is launched with an initial velocity of 500 ft/s at an angle of 45° above the horizontal, from the roof of a building 92 feet above the ground.a) How long will it take for the projectile to land on the ground? Round to the nearest hundredth of a second.b) How far did the projectile travel horizontally before landing on the ground?
A. a) 15.98 seconds,
b) 7901 feet
B. a) 15.98 seconds,
b) 5588 feet
C. a) 22.35 seconds,
b) 7901 feet
D. a) 22.35 seconds,
b) 5588 feet
Answer: C
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Answer the question.A 9-minute egg is cooked for what fraction of an hour? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Use the addition rule to solve the problem.If P(A) = 0.6, P(B) = 0.5, and P(A ? B) = 0.9, then what is P(A ? B)?
A. 0.7 B. 0.1 C. 0.2 D. 1.8
Find the foci of the ellipse.7x2 + 2y2 + 14x - 16y + 25 = 0
A. (-1 + 
, 4) , (-1 - 
, 4)
B. (-1, 4 + 
) , (-1, 4 - 
)
C. (1, -4 + 
) , (1, -4 - 
)
D. (-1, 4 + 
) , (-1, 4 - 
)
Use the vertex and intercepts to sketch the graph of the equation. Give the equation for the parabola's axis of symmetry.x = -(y + 7)2 - 3
A. Axis of symmetry is x = 7.
B. Axis of symmetry is y = 7.
C. Axis of symmetry is y = -7.
D. Axis of symmetry is x = -7.