which describes the intersection of line m and line n?

point w
point x
point y
point z

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?

When is g(x) = 0 for the function g(x) = 5.23x + 4?

What is the answer to this equation? and if you can, find a way to show your work.