F(1) = 5 and f(3) = 3

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2