Solve the problem.A projectile is fired with an initial velocity of 500 feet per second at an angle of 45° with the horizontal. To the nearest 10 feet, find the horizontal distance covered by the projectile.
A. 7810 ft
B. 8550 ft
C. 8320 ft
D. 7470 ft
Answer: A
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Write an equation of the line passing through the given points.(-1, -7) and (4, 3)
A. y = 
x - 
B. y = 2x - 5
C. y = - 
x - 
D. y = -2x - 9
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. 
Use natural logarithms to solve the given equation. Round your answer to three decimal places, as needed.e0.431x = 23
A. {7.275} B. {3.135} C. {1.351} D. {0.137}
Solve.One conveyor belt can move 1000 boxes in 10 minutes. Another can move 1000 boxes in 6 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 15 minutes
B. 
minute
C. 
minute
D. 1
minutes