Determine the angle of rotation

please help and provide explanation.

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

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?

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?