A line is defined by the equation y=-X+3. Which shows the graph of this line? Save and Exit
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The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?