(3y-1)² =0 extracting square roots
Pasagot pls. ​

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

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.