What is equivalent to 4/7 = 12/x-3

The volume of a cube is 8 in to the 3rd power. how long is each side?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

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