Answer:
2.547
Step-by-step explanation:
2pir=8
1.273=r
d=2r
2.547=d
Hi there!

Find the y-intercept by substituting in 0 for x:
f(0) = 0² + 2(0) + 3
Simplify:
f(0) = 3
You first convert the 2 minutes and 30 seconds to 150 seconds.
Then, you take the 150s÷5m to get the number of seconds per mile.
The answer is 30s/m
The symbol that will make that statement true is <