Answer
12
Step-by-step explanation:
<u>Given</u>:
The given graph represents the cost of the Kayak's rental per hour.
The coordinates are (2,30) and (3,45)
We need to determine the unit rate of renting per hour.
<u>Unit rate of renting:</u>
The unit rate of renting can be determined using the formula,

Substituting the coordinates (2,30) and (3,45), we get;

Simplifying, we get;

Dividing, we get;

Thus, the unit rate for renting a Kayak is $15 per hour.
Hello!
As you can see, there are 9 total activities. As you can see, 6 of them burn more than 400 calories. This gives us the probability 6/9.
Therefore, our answer is C) 6 out of 9
I hope this helps!