Find the percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or decrease.

One positive number is 9 more than twice another. if their product is 95, find the numbers

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

Can someone answer this question for me