What's the relationship between risk and return?
a. a higher risk often means higher return.
b. a higher risk often means a lower return.
c. a lower risk will always mean a lower return

A. a higher risk often means higher return.

Step-by-step explanation:

Risk and return, risk is the chance you have of not gaining anything out of an investment or loosing money, this high risk investments often have higher rewards or returns in order to be more appealing to investors and in that way people will invest in those enterprises or products.

check the picture below.