A holiday touring group has an equal number of adults and children. When n oranges are given to the group, each adult gets two oranges while each child gates one orange, leaving 5 oranges in the box.

How to do this , and can some one explain

Which statement justifies why angle ebc measures 90?

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