Simplify the expression as much as possible. a. \left(7b^{5}\right)^{3}
b. \left(4a7^{-1}\right)^{2}

Of four points are collinear, they are also coplanar

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Suppose you have 10 skittles. 5 green and 5 red. you choose 4 without looking. what is the probability that all 4 skittles will be green?