A grocery store sells a bag of 5 oranges for $3.10. If Ishaque spent $2.48 on oranges, how many did he buy?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.