Identify the indicated entry in matrix A.A = 
; identify a12.
A. 5
B. 7
C. 8
D. 2
Answer: C
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Solve the problem.A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 33 marbles in it. At least how many green marbles does it have?
A. At least 17 green marbles B. At least 11 green marbles C. At least 12 green marbles D. At least 22 green marbles
The function graphed is in a window that causes hidden behavior. Experiment with various windows to locate the extrema of the function.y = -5x3 - 2x2 + 
x + 5
A. Local maximum at (-0.36, 4.79); local minimum at (0.09, 5.03) B. Local maximum at (0.1, 5.02); local minimum at (-0.5, 4.88) C. Local maximum at (-0.09, 4.94); local minimum at (0.36, 4.69) D. Local maximum at (0.09, 5.03); local minimum at (-0.36, 4.79)
Find the measure of the supplement of the angle.Find the supplement of 140°.
A. 220° B. 230° C. 130° D. 40°
Simplify the rational expression. (Assume the denominator is nonzero.)
A. 
B. x + 8
C. x - 64
D. x - 8