(Help!!) The area of RST is x. Complete the equation m T = sin in terms of the variables x, r, s, and t.
R
s
T
m =
n =

1. a music store marks up the instruments it sells by 30%. a. if the store bought a guitar for $45, what will be its store price? b. if the price tag on a trumpet says $104, how much did the store pay for it? c. if the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?