Answer:You gotta show the triangle before we can answer the question.
Step-by-step explanation:
Steps
find the Least Common Multiple of the denominators (which is called the Least Common Denominator).
Change each fraction (using equivalent fractions) to make their denominators the same as the least common denominator.
Then add (or subtract) the fractions, as we wish!
your denominators stay the same so its 20
Answer:Tiffany has 28 Justin has 64
Step-by-step explanation:
64+28=92
Answer:

Step By Step Explanation:
Apply Exponent Rule 


Rewrite 84: 
Rewrite 24: 

Factor Out Common Term 

➤ 
Answer:
5
Step-by-step explanation:
in each sample there were 50 students, in a group of 800 there would be 16 samples taken, if you divide the total amount of kids with Novemeber birthdays, 80 by the amount of samples, 16, youll learn that in each sample there are 5 students to have a birthday in november within each sample, hope this helps.