Need help with assignment​

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

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.