Associate property
It’s right
Answer:

Step-by-step explanation:
There are 60 minutes in 1 hour
To express as a fraction

Divide numerator/denominator by 15
= 
Answer:
3 vertices
Step-by-step explanation:
Vertices are the "points" of a 2D figure. In this case, we see the 2D figure as a triangle. There are 3 points on the triangle, so there are 3 vertices.
we need help? can somebody answer this question
Answer:
He made 16 groups which means 5 Students in each group
Step-by-step explanation:
Because 80 divided by 16 is 5 and 5 is a prime number