Solve the system of equations. (substitution method) 2y = 6x + 10
y = 2x + 4

show work pls..

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How do you determine whether a relationship represented as as graph is linear or nonlinear

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.