Question: 20 points Save Answer a. Solve the system of equations. If there is no solution, say so, and explain why. 3x - 4y + 2z

20 points Save Answer a. Solve the system of equations. If there is no solution, say so, and explain why. 3x - 4y + 2z = -15 2x + 4y + z=16 2x + 3y + 5z = 20 b. Using data from Bureau of Transportation Statistics, the average fuel economy F in miles per gallon for passenger cars in the US can be modeled by F (T) = -0.0076T2 + 0.45T + 16, 0 s T s 28, where T is the number of years since 1980. Find and interpret the average rate of change of F over the interval [0, 28]. What was the Average Mileage in 2003 compared to 1995? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac)

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