What’s the radical and simply it I’ll give 15 points and the crown

Pls given: q = 7m + 3n, r = 11 - 2m, s = n + 5, and t = -m - 3n + 8. simplify r - [s + t]. m - 2n - 2 -m + 2n - 2 3m - 4n + 14 -3m - 4n + 14 (not this one)

Plz fasttommy has n friends. he wants to give each friend 5 pencils. write an expression to show how many pencils tommy will share

What is the answer for the problems 6x+y=36 and 5x−y=8?