Imultiplied 3 times 12 and then multiplied the product of 3 times 12 by 5

Consider the graph of the exponential function y=3(2)×

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

Combine like terms to make a simpler expression 3z+z