Find the linear equation for Y equals 2X +6

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?