Can someone with problem 26 and 27 plz asap

What does the relationship between the mean and median reveal about the shape of the data

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

What is the equation of a line passing through (-6,5) and having a slope of 1/3