Answer:
so the difference is 84 - 63 = 21.
if we take 84 to be the 100%, what is 21 off of it in percentage?
Step-by-step explanation:
I believe the equation shown above is an example of:
B. Associative Property of Addition.
Hope I helped!!
Answer:
The earth is bigger
Step-by-step explanation:
The Earth is bigger than the sun, because 1 million earths can fit inside the sun.
Here we have to use the formula of area of sector, which is

Theta = 70 degree, and radius is unknown here. It is given that area = 7 pi .
Substituting the given values in the formula, we will get



Therefore the correct option is the first option .