Identify the median of triangle abc

Which one is the correct answer, and why?

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.

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?