Answer:
Step-by-step explanation:
Because 12 and 11 are not the same number it could be added it it were 11^3 and 11^4. But in this case it cannot.
please help me
(c-a,b)
Bottom of shape is equal to 4a, or c.
R is to be located at (3a, b)
c-a=3a, ∴r: (c-a,b)