Multiply using the FOIL method.(5x + 8)(5x + 7)
A. 25x2 + 75x + 56
B. 25x2 - 5x + 56
C. 25x2 + 56
D. 10x2 + 15
Answer: A
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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 with an initial speed of 528 m/sec at an angle of 45°. What is the greatest height reached by the projectile? Round your answer to the nearest tenth.
A. 76.2 m B. 69,696.0 m C. 28,447.3 m D. 7111.8 m
Give the appropriate counting number answer to the problem.A particular freight elevator can safely carry 1061 pounds. How many 109-pound bundles of wood can be safely carried by this elevator?
A. 5 B. 9 C. 7 D. 4
Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 