Is (4,1), (8,5), (-5,0) or (-7,-4) solutions to 2x-9y>-10?

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?

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2