What is the quadratic regression equation for the data set? A.) yˆ=1.225x2−88x+1697.376

B.) yˆ=−1.225x2+88x+1697.376

C.) yˆ=−1.225x2+88x

D.) yˆ=1.225x2+88x+1697.376

x y
2 1526.28
3 1444.4
5 1288
6 1213.48
8 1071.78
10 939.88
20 427.38

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

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?