If JKLM is a rectangle, find m< NML

It says factor each expression 49x-28?

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

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120