What is the y-intercept of this line?

Step-by-step explanation:

This equation is in slope intercept form (). This is called slope intercept form for a reason - is always the slope and is always the y-intercept.

We can see that the coefficient on the x-term is and the constant being added to it is 5.

This means 5 is the y-intercept.

Hope this helped!

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66answer:

step-by-step explanation:

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