I need an answer for this, quickly! The test will be over soon and I have no idea what I'm doing. No explanation needed, the marking period is over after today.

2-digit numbers less than 91 which are 1 less than a multiple of 10

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet