Please answer correctly

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

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so

The length of the shadow of a building is 120 meters, as shown below: building shadow 120 m what is the height of the building? (1 point)