What is the best way to talk to a girl from tinder?

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer 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?

Use circumcenter theorem to solve for the given values