Answer:
Each side is 4.5 cm
Step-by-step explanation:

To find the perimeter of a square you add all the sides.
But to find the side length you do the opposite. Which is the equation above.
Hope this helps : )
Answer:
option 4
Step-by-step explanation:
y = 4x-3
y = 4(1)-3
y = 1
y = 4(3)-3
y = 9
y = 4(5)-3
y = 17
y = 4(7)-3
y = 25
A solution of a function is where the function hits the x-axis, so if y is any number that is not equal to 0, there is no possible way that point can be a solution.
Hope this helps!
8 = 1. The relationship equation is y = x - 7