The pair of points is on the graph of an inverse variation. Find the missing value (2.4,3) and (5,y)

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.

Use the distance formula to find the distance between (-3,5) and (3,1)

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday