Answer:

Step-by-step explanation:
In order to find the values of a piecewise function, we first have to determine which piece we are using.
For
, x=-3. This means that we need to use
as 

For
, x=2. This means that we need to use
as x is equal to 2.

5 minutes
100 sit-ups in 2 minutes means 50 sit-ups per minute
amount of sit-ups / mins
100 / 2
200. /. 4
300. /. 6
Answer:
The circumference is 37.68 ft.
Step-by-step explanation:
6 * 2 = 12
d = 12
C =
d
C = 3.14 * 12
C = 37.68
The reasonable amount of time it would take for him to run all five blocks is 19 minutes
Answer:
D. m≥12
Step-by-step explanation:
You first need to transfer the -6 over to the 18. The negative turns into a positive, therefore you add. 18+6 is 24. You now have 2m≤24. Bring the 2 over. You are dividing. 24/2 is 12.