Which angle number is adjacent to angle to \angle DEA∠DEA?

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

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

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?