*Please don’t answer if you are going to put a link, they don’t work* Hey! I have 3 algebra problems and it would be greatly appreciated if you could add the answers in the text box or photo! Thank you so so much:)

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.