What is 5/9 + 4/9 i'm not sure how to get the answer

Given the conditional statement, match the following. conditional statement: if two lines intersect, then their intersection is one point.

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

An equation where variables are used to represent known values—function notation true or false