In a direct variation, the constant of proportionality is -3. Which of the following would be its equation?

-3 = xy
-3 y = x
y = x - 3
y = -3 x

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

The function models the number of accidents

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?