Apparent magnitude isn’t the actual brightness, it’s what the brightness appears to be from earth, absolute brightness is the actual brightness an example is our sun it appears bright on earth but in space it is so much more brighter
Here are about 6 examples for ya honey, You have PIE, also ya have, MONEY! Because math helps you save MONEY, Ya also have, a GROCERY STORE that can help because you can count the vegetables in the store to see.
Let 
be the length of one leg, and 
be the length of the hypothenuse. Finally, let 
be the measure of the angle between them. Then, the following relation holds:
Plugging your values, we have
Solving for x, we have
1.) D.
2.) D.
3.) B.
4.) A.
5.) A.
Hope it helps :)
btw i already answered this :)
