Charles buys 30 packs of pens. There are 18 pens in each pack. Each pack costs £4.50. Charles sells each pen for 80p but he only manages to sell 5 6 of the pens. How much profit did he make?

Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60