Please help me factor this.

(3y-1)^2-3(3y-1)y+y^2 = 11

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.