A car is driving at 100 kilometers per hour. how far does it travel in 2 seconds

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract