HELP! Write an equation in slope intercept form of the line that passes through (-7, 2) and is perpendicular to the graph of y= -1/2x+3

Identify the translation rule on a coordinate plane that verifies that square a(-4, 3), b(-4, 8), c(-9, 3), d(-9, 8) and square a'(-3, 2), b'(-3, 7), c'(-8, 2), d'(-8, 7) are congruent.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Add the fractions and simplify 1/2+ 1/3