Matthew can paint a room in 3 hours, while Victoria can paint an identical room in 5 hours. How long will it take them to paint both rooms at their same rates working together?

Can (2,3 and square root 10) be sides ona right triangle?

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?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250