The points (-6, -2) and (6,r) lie on a line with slope
. Find the missing coordinate r.

I'm confused on this could anyone me and show me what i need to do to solve it.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.