What is the approximate radius of the disc if the area is 78.5 square inches?

What is the value of f(x) = 2.2 for f(-2)?

What’s 8y+48 and factor each expression completely

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?