Hey I need help with this question ​

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

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

Find the missing dimension extra points