Biologists use a formula to estimate the mass of a mammal's brain. For a mammal with a mass of m grams, is given by B = 1÷4m^2÷3. Find the approximate mass of the brain of a mouse that has a mass of 64 grams.

a

step-by-step explanation:

area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation:

answer: approximately 206 bones

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yes they are the same.