If the equation (1+m^2)x^2+2mcx+c^2-a^2=0 has equal roots, show that c^2=a^2(1+m^2)​

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as