The bottom floor of a parking garage has an elevation of -36 feet. the top floor is 124 feet higher. what is the elevation of the top floor? me on this! doing a quiz

Ined this is due tomorrow and i dont know the answer can you find all the exponents

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

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )