Tanisha's office is the 9th floor of an office building. she parks her car in the underground parking garage 4 floors below ground level. how many floors are between tanisha's office and her car?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

What is the number 321,000,000 in scientific notation? also what is the number? ?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?