The sum of eight times a number and fifteen is seven. find the number

What is another way to express 36 +32

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12