|1-5a|=29 whats the answer and breakdown?

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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