Answer:
4
Step-by-step explanation:
-8 + 12 = 4 degrees
Hey there!
Set up an equation. This would be 4+0.5x=12. You have to get x by itself, so subtract 4 on each side. You get 0.5x=8. Divide by 0.5 on each side to get x=16. Heidi purchased 16 tickets.
I hope this helps!
Answer:
Need points sry
Step-by-step explanation:
Answer:
x^2 + 22x + 121
Explanation: