Which of the following expressions represents “the difference between a number and eleven”? a.) n + 11 b.) -11n c.) n – 11 d.) 11 – n

Answer

C.) n-11

Step-by-step explanation:

its the difference between a number which is N and eleven, so it would be a number (N) - eleven

N-11

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