Determine the intercepts of the line.
y = -3x+ 12
y-intercept:
(
-intercept:

y-intercept: (0,12)

x-intercept: (4,0)

Step-by-step explanation:

Y intercept x =0

Y= -3x+12

Y= -3(0)+12

Y = 12

x intercept y = 0

Y= -3x+12

0 = -3x+12

3x = 12

x = 4

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

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4