It take 23 minutes for 6 people to paint 6 walls, how many minutes does it take 9 people to paint 9 walls

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case:

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y