Round 100.9052 to the nearest hundredths

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b