Which equation(s) represents a nonproportional relationship? Select all that apply y=3x

y=3x-2

y= x+1

y= -4x

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

What is not true about kl and mn? what is mn? (show your work)

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.