Does anybody know how to do this?? (1) Measure your triangle's sides to the nearest millimeter, and then (2) place the measurements in the ratios. Finally, (3) using a calculator turn your ratios into decimals to three decimal places.

-4

step-by-step explanation:

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

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

the answer is (-4,-4)

hope this ! : d