Which expression is equivalent to 1/3 b + 2/3 b − 5/6 (b+1) ?

11/6 b − 5/6

1/6 b + 1

1/6 b + 5/6

1/6 b − 5/6

plz !

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25