7(3x/1)=-1
its distributive property but I don't know how to solve it

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

40 describe the outliers from the scatter plot.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.