Answer:
(-0.5,-2.5)
Step-by-step explanation:
x1+x2/2,y1+y2/2 that is the midpoint formula so just plug in the known numbers and solve
2-3 4-9
--- -----
2 2
x= -0.5
y= -2.5
I am sorry but I cannot see the picture properly, can you add another photo? Sorry for the inconvenience.
In all you have 54 buttons because if you add 10 plus 10 that equals 20 plus 34 and that gets 54 buttons in all
