The area of △RST is x. Complete the equation m∠T = sin–1(mn) in terms of the variables x, r, s, and t. A triangle RST is given. The length of RS is t, ST is r and RT is s.

Hart manufacturing had six-month sales of $80 million, with $20 million of that amount from the internet. it set a goal to increase the percentage of total sales coming from the internet by 4 percent in the next six months. the results were total sales of $85 million. if the company meets its goal exactly, what will the dollar amount of internet sales be?