It’s B or D , im not that good but I don’t know , so try your best or take educated guess ( or ask a parent )
Let
x-------> the total number of empty spaces in the bike racks
y------> the total number of spaces in the bike racks
z-------> the total number of bike in the bike racks
we know that


therefore
the answer is
the total number of empty spaces in the bike racks is 
the expression is equal to

X - 3 ≥ 8
Simplified version: x ≥ 11
Answer:
3x-8
Step-by-step explanation:
The perimeter of the wrestling mat is

Since the mat is square-shaped, all of its sides have the same length L and the perimeter is 4L, so to find the length of the side we have to divide by 4
