Which represents the solution of 5(x+5)< 85

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5