Simplify the expression -3r+7-3r-12

Solve for x by completing the square. 2x^2-4x+7=0

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6

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?