Find u•v when u= 12i+4j and v=15i-5j

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

If jaime wants to find 60% of 320, which table should he use?

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?