Solve the matrix equation for X.A = 
, B = 
, AX = B
A. 
B. 
C. 
D. 
Answer: B
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Use the order of operations to find the value of the expression.2(-4)2 - 3(-2)2
A. -4 B. 116 C. 20 D. 28
Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit. Then use the equation to estimate a test grade for a student who has studied for 6 hour(s).
A. approximately 96 B. approximately 93 C. approximately 88 D. approximately 91
Solve the problem.Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 4.
A. 54?
B. 
?
C. 27?
D. 
?
Provide an appropriate response.If f(x) = 2x - 1 and g(x) = 4x + 8, then g(f(x)) =
A. 16x + 7. B. 8x + 4. C. 16x2 + 12x - 8. D. 8x + 15. E. 16x - 8.