What value of x is in the solution set of.
9(2x + 1) < 9x – 18?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Twenty points. 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

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?