Greg is participating in a 4 -day cross-country biking challenge. he biked for 63 , 54 , and 62 miles on the first three days. how many miles does he need to bike on the last day so that his average (mean) is 59 miles per day?

A(t)=728(1+0.04)^t how much money did aditya originally invest

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

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.