Recall that a right triangle is a triangle with one right angle. one angle of a triangle measures 89.99°. can the triangle be a right triangle? explain your reasoning. me on this question. you!

Pls . yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeet

Just tell me how to set up the equation.

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