Which scatterplots have clusters? Check all that apply.

30 determine the coefficient on x 12 y 24 x12y24 in ( x 3 + 2 x y 2 + y + 3 ) 18 . (x3+2xy2+y+3)18. (be careful, as x x and y y now appear in multiple terms! )

What is the product? (x2+3y+7) [yy+1)

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?