Answer all these guestions corectly and i will be so thankfull and will mark u brainiest.

Do i get charged for my membership before or after the 6 months

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)