Need help with my homework plz

What are the steps to solving the inequality 3b + 8 ≥ 14?

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

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