There are 3 circles and each circle contains the center of the circles. the radius of each circle is 5. find the area of the intersectin of the three circular disks

What is the range for 31,39,29,34,37,24,36,33,34,28

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?