7 pounds+ 12.6 oz + 73 pennies. How many pennies?

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

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.