The price of a ski jacket was $92.00. the tax was 9%.

a. what was the tax on the ski jacket?

b. what was the total price of the ski jacket including tax?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of