Find the area of a regular decagon with side length of 15cm and apothem of 5.4cm. (Round your answer to the tenths place if needed)
help,
(again)

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates