Determine the point on the graph of equation 3 x -2y=8 whose x coordinates 7/3 it's ordinate

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

When only separate discreet points are graphed it is called?