Which expressions are equivalent to x+x+x+2?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Which of the following is true for the relation f(x)=2x^2+1