2+2+2+3+1×3 Please help due at 7:40,PM

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

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