Savannah had 400 chocolate chips. She used 40 chips for another dish, and mixed the rest of the chips evenly into 3 pans of brownies. Write an expression to show how many chocolate chips were in each pan of brownies.

What is r i 4.5+10r=-6.5 with work pls

Match each set of points with the quadratic function whose graph passes through those points

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?