Answer:
If x = 3y and 3y = x, then y = 1/3x.
The average american eats 147 pounds of french fries in 18 years
1st one is the y Intercept is 5. get y by itself 12y=-6x+60 divide by 12.
2nd slope is -3
To find the hypotenuse of the triangle
you use the length of the legs
Plug it into the Pythagorean Theorem
so


is one of the legs
and

is the other leg
then

is the hypothenuse