DCMB is a rectangle, BCMR is a paralellogram. Prove DMR is isosoclese. (URGENT)

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

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