The school baseball team wants to have each player's name imprinted on the player's jacket. The cost is $75 plus $8.50 for each name. Write a FUNCTION to represent the cost c for n names. What is the cost to have names imprinted on 25 jackets?

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.