What is the slope intercept equation?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Which function has the domain x> -11

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.