Can someone please check my work and correct me if i'm wrong please. No links or reports.

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

What are the sotions to the quadratic equation 9x^2=4

F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright