On a test of 80 problems, Bill got 75% of the problems correct.
How many did he get correct?

Select a graph that have an equation with a < 0

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Is the point (0, 8) on the x-axis or y-axis? how do you know?