Which is the ratio of the number of months that begin with the letter N to the total number of months in a year? A : 1 to 11
B : 1 to 12
C : 11 to 1
D : 12 to 1

it's B because only November starts with N. and there's 12 months in a year ;)

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

correct answer is b. 27/8

step-by-step explanation: