Answer:
Answer: R is not coplanar.
Whole Wheat = 1/6
Buckwheat = 1/8
W = whole wheat flour
B = buckwheat flour
⅔W + ½B = 4
Divide everything by 4
⅔W/4 + ½B/4 = 4/4
2/12W + 1/8B = 4/4
1/6W + ⅛B = 1
I think it's a^2 b^2 + 6ab + 9
75
Step-by-step explanation: