The equation of a proportional relationship is y=6x What is the unit rate?

A)0/1
B)1/6
C)1/1
D)6/1

Can someone answer this question? : )

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

43lbs of tomatos cost $387. how much would 41lbs cost