The first and 3rd are rational, the second is irrational
I’m assuming you mean there are 5 rows which are equal, and use all the 115 photos. If this is the case then 115/5 is 23 photos per row.
Answer:
x = 37.5
Step-by-step explanation:
By Basic Proportionality Theorem:

Step-by-step explanation:
C= 72..............
C3=216
C=216
3
C = 72
Thanks
Answer:
x = 5
angle measure labelled 6x is 30degrees
Step-by-step explanation:
Find the diagram attached
from the diagram;
6x = 30 (vertically opposite angle)
Divide both sides by 6
6x/6 = 30/6
x = 5
Get the angle labelled 6x
6x = 6(5)
6x = 30degrees