Simple question struggling abit :)

Match each expression with its simplified form.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.