Given matrix A, find the indicated minor.Find M12.A = 
A. 11
B. -11
C. 9
D. -4
Answer: B
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Solve the problem.Barnes and Able sell life, health, and auto insurance. Sales for May and June are given in the matrices. Life Health AutoM = 
J = 
Use matrix addition to determine the total sales for each type of insurance
for each salesperson.
A. Life Health Auto 
B. Life Health Auto
C. Life Health Auto
D. Life Health Auto 
Provide an appropriate response.The first-quadrant region bounded by y = 
, the x-axis, and the y-axis is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of the solid.
What will be an ideal response?
Use graphical methods to find any turning points of the graph of the function.y = 
A. (0, 0) and (1, 0)
B. (0, 0)
C. 
and 
D. (1, 0) and (-1, 0)
Solve.Suppose that a polynomial function is used to model the data shown in the graph below.
Determine the degree of the polynomial function of best fit and the sign of the leading coefficient.
A. Degree 4; negative leading coefficient. B. Degree 5; negative leading coefficient. C. Degree 5; positive leading coefficient. D. Degree 4; positive leading coefficient.