Answer:
21:A 22:D
Step-by-step explanation:
hope that helps
Answer:

Step-by-step explanation:
We need to find the distance between two points i.e. (−5,−1) and (−3,−8).
It can be calculated using distance formula as follows :

We have, x₁ = -5, x₂ = -3, y₁ = -1 and y₂ = -8
Put all the values,

So, the distance between the points is equal to 
33 * 3 + 3/3 = 100
I do not believe u have to use all of the operations because it says " at most once ".
Answer:
No
Step-by-step explanation:
We are not just going to do your writing essay for you. It's your fault you didn't get it done.
Answer:
C) 36
Step-by-step explanation:
You have to add all the numbers together and then divide by the amount of numbers, in your case 5.