Quiero determinar cuáles son el intercepto y y el x

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

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

Is there an x intercept in the equation 60*1.15^x