Multiply.(145)(95)

A. 13,875
B. 13,785
C. 13,775
D. 13,765


Answer: C

Mathematics

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Solve the problem. Assume projectile is ideal, launch angle is measured from the horizontal, and launch is over a horizontal surface, unless stated otherwise.A projectile is fired with an initial speed of 416 m/sec at an angle of 45°. What is the greatest height reached by the projectile? Round answer to the nearest tenth of a meter.

A. 17,658.8 m B. 60.0 m C. 43,264.0 m D. 4414.7 m

Mathematics

The function f is one-to-one. Find its inverse.f(x) = 5x + 7

A. f-1(x) = 
B. f-1(x) = - 
C. f(x) = 
D. f-1(x) = 

Mathematics

Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x7 - 9x6 + 8x5

A. x5(x + 1)(x - 8) B. x5(x2 - 9x + 8) C. x5(x - 1)(x + 8) D. x5(x - 1)(x - 8)

Mathematics

Evaluate the expression 5a + 4b for a = –2 and b = 6.

A) 14 B) 34 C) –34 D) –14 E) 13

Mathematics