Could anyone please help me with this?

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

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Which of these triangle pairs can be mapped to each other using a single translation? cof hn