I believe it's mean absolute deviation
Step-by-step explanation:
The function of 5 (or y when x is 5) can not be determined with this little information.
Popcorn would be 7.98. Drinks would be 5.25. Togather they would be 13.23.
Answer:
59.5
Step-by-step explanation:
30% of 85 is 25.5
85-25.5=59.5
You add +7 to both sides and then divide by 9 to get the x alone.