Answer:

Step-by-step explanation:
Given: 
Step 1: Distribute the Left-Hand Side

Step 2: Collect like terms

Step 3: Divide both sides by 2

Answer:
2 x 20^2
Step-by-step explanation:
I did it on paper and looked it up to make sure
2.4/80 is the division sentence
8 percent of 1900 is 152 so 152 of their customers run every day
Answer:
15
Step-by-step explanation:
take 9 and divide by -3 and you get -3
then 21 divided by -7 is -3
so, you do -5 multiplied by -3 and get 15.
you can then take 15 and divide it by -3 and get 5