Can anyone go to this link and help my friends question. Also so my question doesn't get deleted for "Not being work related". What is 2+15? Also, It is not a virus because if it was it would say bitly not

17 and I will!

Step-by-step explanation:

17

Step-by-step explanation:

switch it around and do 15+2, know 5+2 equals 7 so just add ten and you get 17,

c

step-by-step explanation:

c

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