Factor out the variable that is raised to the smaller exponent.x-9 - 5x-4
A. x-9(1 - 5x5)
B. x-9(1 + 5x-5)
C. x-9(-1 + 5x5)
D. x-9(1 + 5x5)
Answer: A
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Find the exact value of the expression or state that it does not exist.cot 
A. 
B. 
C. 1
D. 2
Determine if the argument is valid or invalid. Give a reason to justify answer.If it's Tuesday, then this must be Paris.Today is Wednesday. ? This must not be Paris.
A. Invalid by fallacy of the inverse B. Invalid by fallacy of the converse C. Valid by the law of syllogism D. Valid by the law of contraposition
Provide an appropriate response.Find the magnitude of the vector in standard position with end point (5, -2).
A. 6.4 B. 5.4 C. 4.6 D. 1.5
Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7) B. (x2 + 7)(x - 12) C. x(x + 12)(x - 7) D. (x2 + 12)(x - 7)