Which of the following expressions is equivalent to 2/3a(12 - 6b-6a+9b)

2a ^ 2 + ab

9ab

8a ^ 2 - 4ab - 4a - 6a

4a ^ 2 + 2ab

6a ^ 2 * b

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

its kind of blurry. can you put a clearer pic?

step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b