The princiole labeled some of the marks on the four thermometers with dollar amounts. Decide what labels belong on the remaining marks

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

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

11

step-by-step explanation:

32.50-7.50=25

225/25=11

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.