Answer:
The simplified form is: 
Step-by-step explanation:
To simplify the expression given we, need to open the brackets, and if there is power term. Then we need to group all the like terms and then arrange in the descending order of powers of the given expression.
Now the expression that is given to us is:

Here we will simplify it by grouping the like terms, as follows:

So this is the required simplified form.
Answer:
-1
Step-by-step explanation:
its just -1beacuse I did it
Answer:70
Step-by-step explanation:
Answer:
About 1.01 times longer
Step-by-step explanation:
we have to divide 212 by 210 since these are the lengths to get about 1.01.
Hopes this helps please mark brainly
Answer:
3 boxes
Step-by-step explanation:
you would divide 12 by 4 and get 3 so shade in 3 boxes