Answer:
<h2>On the 15th day his best time for the day is 3 minutes.</h2>
Step-by-step explanation:
The line that best fits is
Where 
is days and 
is time in minutes. So, we have 
, replacing this in the equation and solving for , we have
Therefore, on the 15th day his best time for the day is 3 minutes.
Answer:
x = -20
Step-by-step explanation:
You move the 14 with the 6, since it is addition, it changes symbols ( from + to - ), so it'd be;
x = -6 - 14, since you are subtracting a negative number, you are technically adding them.
Answer:
1. diameter/2 2. area divided by pi and then the square root of the radius 3. circumference divided by pi and then divided by 2
Step-by-step explanation:
just reverse the equations for area and circumference.
