Por favor ayúdame es para mañana​

Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?