Find all the square roots of x^2 ≡ 53 (mod 77) by hand. this is my second post. explain all the steps how you did this?

An art teacher made a copy of a small painting. to make the painting easier to see the teacher enlarged the area of the painting by 49%. let y respresent the area of the original painting. the expression below is one way to resperesnt the area of the new painting.find two equivalent expressions that would give the area of the new painting y+0.49y