Answer:
4.5 minutes per 1 lap.
Step-by-step explanation:
All we need to do is plug the numbers into the equation.
A:

Not A.
B:

Not B.
C:

C is the correct answer
Answer:
3/4 is the slope
Step-by-step explanation:
slope= mx+b
so,
(10,30) is an exact meet
so is (50,60)
so what is the rise/run
answer
30/40
or
3/4
so mx+b=
3/4x+22
full equation is 3/4x+22
Answer:
1. true
2. false
Step-by-step explanation:
1.there are no restrictions on what makes it true so it can be any number
2. only one answer because
m+8=12
subtract 8
m=4