Factor completely. If the polynomial cannot be factored, say it is prime.x2 + 6x - 27

A. (x - 3)(x + 9)
B. (x + 3)(x + 1)
C. (x + 3)(x + 9)
D. prime


Answer: A

Mathematics

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Find all angles in degrees that satisfy the equation.tan x = -1

A.
B.
C.
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Decompose into partial fractions.

A. 2x - 5 -  + 
B. 2x - 5 -  + 
C. 2x + 5 -  + 
D. 2x + 5 -  + 

Mathematics

Solve.A rock falls from a tower that is 208 ft high. As it is falling, its height is given by the formula  How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth.

A. 14.4 sec B. 3.6 sec C. 2,704 sec D. 13 sec

Mathematics

Find the unknown value in the percent proportion  Round to the nearest tenth, if necessary.part = 95, percent = 22

A. whole = 23.2 B. whole = 43.2 C. whole = 431.8 D. whole = 215.9

Mathematics