Identify whether the equation is a linear equation in two variables. Answer "is" or "is not."6y = -7
A. is not
B. is
Answer: B
Mathematics
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Write as a proportion.81 is to 72 as 9 is to 8.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Zero B. Negative C. Positive D. Undefined
Mathematics
If 
, evaluate the following function.
?cot x
?
A. ?cot x =
B. ?cot x = 
C. ?cot x = 2
D. ?cot x = 
E. ?cot x = 
Mathematics
Factor.5x3 + 5x2 - 100x
A. (5x2 + 20x)(x - 5) B. 5x(x + 4)(x - 5) C. (x - 4)(5x2 + 25) D. 5x(x - 4)(x + 5)
Mathematics