What would the slope of a line be to line perpendicular to the following: Y = 2x - 2

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)