1.) t= total cost 
S=shipping cost
O= original price
2.)Equation= T+S= O
3.)Cost of the item|Total cost of shipping
 $1.50 | $3.05
 $2.05 | $4.50
 $3.00 |$5.00
 $8.00 |$10.00
I don’t know how to add the graph on here so I’ll skip 4
5.) C= cost= 0.50
A= apps
T= total 
6.) A x C= T
7.) Number of Apps. |. Total cost
 4. |. $2
 8. |. $4
 5. $2.05
 6. |$3.00
8.) again i don’t how to insert graphs.