List 2 terminating decimals and 2 repeating decimals

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

Find the maximum value of p= 4x + 5y subject to the following constraints :

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale