Solve the problem.The price of electric guitars has varied considerably in recent years. The data in the table relates the price P, in dollars, to time t, in years. a) Use a graphing utility to find the cubic function of best fit that models the relation between year and the price of an electric guitar. Round all values to three decimal places.b) Use the model found in part (a) to predict the price of an electric guitar in year 10. 
What will be an ideal response?
a) y = -1.503x3 + 16.405x2 - 12.028x + 653.060
b) $670.28
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?Find the volume of the following sphere: r = 6.5 cm. Use ? = 3.14 and round answer to nearest hundredth.
A. ?1,766.25 cm B. ?1,766.25 cm2 C. ?1,766.25 cm3 D. ?1,324.69 cm3 E. ?1,324.69 cm2
Solve the application and answer with a complete sentence.A savings bank invests $100,200 in highway bonds and earns 11% simple interest per year on the investment. How much money is earned per year?
A. $11,022 is earned per year. B. $910,909 is earned per year. C. $110,220 is earned per year. D. $91,091 is earned per year.
Graph the ellipse. Label the x- and y-intercepts.36x2 + 4y2 = 144
A. x-intercepts:(-6, 0), (6, 0);
y-intercepts: (0, 2), (0, -2)
B. x-intercepts:(-6, 0), (6, 0);
y-intercepts: (0, 3), (0, -3)
C. x-intercepts:(-6, 0), (6, 0);
y-intercepts: (0, 7), (0, -7)
D. x-intercepts: (-2, 0), (2, 0);
y-intercepts: (0, 6), (0, -6)
Determine whether the following is a difference of squares.57x2- y2
A. Yes B. No