Answer:
D. 8
Step-by-step explanation:
the upper quartile = 8
P square=P triangle equilateral
4(x+2)=3*2x
4x+4*2=6x
4x+8=6x
6x-4x=8
2x=8
x=8/2
x=4
From 2:30-3:30 is 1hr and from 3:30-4:00 is 30 min from 4:00-4:15 is 15 minutes
Add up these time you get 1hr and 45min
Answer:

Step-by-step explanation:

Divide. 30/6=5
6 x 5 = 30
So n is 5