Ah!Need help now Will mark brainlest:

For how answer my question this will be the last question can you answer in math subject

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.

Write a function rule for  “the output is  5 less than the input.” let  xx  be the input and let  yy  be the output.