Answer:
4
Step-by-step explanation:

The least number of boxes Sharon should buy is 5 boxes.
Step-by-step explanation:
Given,
Number of cards in box = 12
Number of stamps in packages = 20
We will find least common multiple of 12 and 20.
12 = 12,24,36,48,60,.....
20 = 20,40,60,80,....
The LCM of 12 and 20 is 60.
Now,
12 cards = 1 box
60 cards = 
60 cards = 5 boxes
The least number of boxes Sharon should buy is 5 boxes.
It's more efficient to hold a random drawing because the probability is higher.

For every 2 person, 1 person gets to go to the concert.
Answer is 1/2 aka 0.5 aka 50%
Hope this helps. - M
Answer:
Step-by-step explanation:
d
Answer:
Its the first choice: right, scalene.
Step-by-step explanation:
It is a right angled triangle, (indicated by the little square at Q).
The sides have different lengths so it scalene.