In a junkyard, 3/5 of the vehicles are trucks, and 2/6 of the trucks are black, what fraction of the vehicles in the junkyard or black trucks?​

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Someone me! will award brainliest if u explain and answer!