Ineed plz answer quickly
you

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. after tax the total is 45.99. what percentage of the subtotal is the total?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

What’s the answer ? use the picture to see the problem