Express in terms of a base raised to a positive exponent. Then simplify, if possible.(x + 2)-2
A. 
B. (x + 2)2
C. 
D. - 
Answer: C
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Type A grain containing 31.00% fiber is mixed with type B grain containing 6% fiber to make 556 pounds of feed. The resulting mixture is to contain 90.86 pounds of fiber. Round your answers to two decimal places. ? How much of each type of grain goes in the mixture? ?
A. 260.00 pounds of type A and 296.00 pounds of type B B. 230.00 pounds of type A and 326.00 pounds of type B C. 296.00 pounds of type A and 260.00 pounds of type B D. 326.00 pounds of type A and 230.00 pounds of type B
Find the slope of the line that goes through the given points.(-4, 6), (-4, -9)
A. Undefined
B. 
C. - 
D. 0
(a)Using the Gauss-Jordan method, find the inverse of the matrix 
.(b) Based on your answer to (a), solve the system 
= 
.
What will be an ideal response?
Find the slope of the line going through the given pair of points.(-2, 6) and (-9, -8)
A. 
B. 8
C. 
D. 2