5^2 times 7^2=8^2

Good morning, Good afternoon How are y'all doing?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

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

This is about circle theorems. someone asap : (