5b+8v how much will it cost to purchase 7 book and 4 videos

How many ordered pairs of positive integers satisfy xy=32?

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.