Answer:
I replaced x with y because, If it was x there would be no graph
Step-by-step explanation:
6.50
You have to add/multiply 2.50 by 3 to get the total cost of the cards. 2.50*3=7.5. then, you need to add/multiply 3.00 by 2 to get 6. 7.5+6= 13.5. 20-13.5=6.50.
the change was $6.50
Answer:4
Step-by-step explanation:use https://www.cymath.com/
5
You just divide it normally
4.5cm
Circumference = 2r
28.3=2r
28.3/2=r
4.456
