Determine if the ordered pair is a solution to the given linear inequality in two variables.y ? -x
(5, -5)
A. Yes
B. No
Answer: A
Mathematics
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Describe the natural domain of the function. f(x) = 
A. The set of all real numbers less than 6
B. The set of all real numbers except 6
C. The set of all real numbers
D. The set of all real numbers greater than 
Mathematics
Factor the trinomial completely.4x2 + 36xy + 81y2
A. (4x + y)(x + 81y) B. (2x - 9y)2 C. (2x + 9y)2 D. (2x + 9y)(2x - 9y)
Mathematics
Simplify.
A. x3y10 B. x4y18 C. x6y10 D. x3y20
Mathematics
Simplify. Assume all variables are non-negative real numbers.
A. 4
B. 4
C. 16
D. 4 
Mathematics