Answer:
(x+90)^2+(x+60)^2=5625
Step-by-step explanation:
(x+90)^2+(x+60)^2=75^2=5625
Ox-12
18
18 ÷ 3 = 6
6 ⋅ 2 = 12
Therefore, 12 is 2/3 of 18.
Answer: 4 cells.