To the nearest square unit, what is the area of the regular heptagon shown
below?
28.7
27.6
A. 2772 square units
u
B. 3566 square units
C. 1019 square units
D. 509 square units
help help

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%?