Rebecca draws a graph of a real-world relationship that turns out to be a set of unconnected points. can the relationship be linear? can it be proportional? explain your reasoning.

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?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.