Please help me for brainliest

What are “like terms”? why can we only add like terms?

How do you determine whether a relationship represented as as graph is linear or nonlinear

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39