Can anyone answer these Algebra questions for me? With work or an explanation would be a big help!

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

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

Evaluate the expression. (9 + 5)(3 + 2)0