The area of a certain desert (Desert 1) is five times the area of another desert (Desert 2). If the sum of their areas is 18,000,000 square miles, find the area of each desert. ​

Find the difference (8ab+a+2) - (3ab+6)

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. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.