3. Which of the following represents a proportional relationship? Justify your thinking.
1.
of Us
II.
2
3
S
a
Outer
Service Cal
100
125
175
290
X
III.
IV. y.
5
a) I and II
b) land
c) lll and I
d) II and III

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

answer are

step-by-step explanation:

i dont know if you cant find a way its best to actually add all of them start from 105 tho

step-by-step explanation:

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.