The wheelers' bill at a restaurant is $63.00. how much money should mr. wheeler leave as a tip if he plans to tip 15%?

Which expression is not a polynomial?

What is the frequency of the sinusoidal graph?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36