Answer: 3
Step-by-step explanation:

Answer:
29
Step-by-step explanation:
add 23 to cancel the negative then add 6 to get the final answer
Answer:
Step-by-step explanation:
(1) 
Dividing both sides by
will give us the answer:

(2) 
Subtracting both sides by
will give us the answer:

(3) 
First let's multiply both sides by 

Now, let's divide both sides by
to get our answer:

(4) 
Dividing both sides by
will give us the answer:

Answer:
yes their just 2 answer choices
You are given the masses of four planets.
Add them together, and then divide your sum by 4.
That will be the "average planet mass" for these 4 planets.