How much electricity is used, on average, by a security system that is always on over one year?

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Select a graph that have an equation with a < 0