How many distinguishable permutations with repeated elements are there for your 8-digit, numeric student ID

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.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

What is always true about a positive integer raised to a negative odd power?