Which expression is equivalent to 1/2(4 + 20m) + 2m - 1?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?