Answer:
1. $3.65
2. 4th graph
3. y = 1/2x
Step-by-step explanation:
1.
10.95 ÷ 3 = 3.65
2.
The fourth option (one on the bottom) makes the most sense.
3.
Rise/Run
y = 1/2x
Assuming she did a checkered pattern if she got 10 red tiles she would need 20 tiles total if the kitchen was a square.
There seems to be some sort of missing information here or maybe a missing picture. Either way, I hope this helps.