HEEELP ME WITH THIS ONE PLEASE

the question is in the picture

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?

Simplify the expression below -3(10x+4y)+6(6x-2y)