Which line has a steeper slope?

Line one

Step-by-step explanation:

In order to find the answer to this question simply plot the points on a graph and compare the lines to see which is steeper.

When you plot the points you will see that lines one slope is lower and goes steeper then line two, which means it's your answer.

Hope this helps.

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

if you was gonna solve for a, a is a   < -12