Answer:
A
Step-by-step explanation:
thw answer is on the picture
The answer is d
x-7>-11
x>-11+7
x>-4
Boys: x
gilrs: y
From the text of the task:

Replacing x:

So there are 28 girs and 20 boys
A full circle has a circumference of 2πr and an angle of 2π radians.
Set up a proportion:
2πr - 2π rad
2r - x rad

The answer is D. 2 radians.