-8x-2(5+4x) I just need some good old fashion help finding the equivalent to the expression I got right here thank you much

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

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.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41