Determine the values of a for which the system has no solutions, exactly one solution, or infinitely many solutions. X 2y - 3z

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer