Abag contains 3 green marbles, 7 blue marbles ,band 2 black marbles the probility of randomly picking a green marble

When y’all answer can y’all explain too !

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Solve the system of equations. x=-2y+1 and x+2y=9. show work