The selling price of and item is 520 it is marked down by 10%. But this sale price is marked up from the cost of 360

What are the domain and range of f(x)=[1/5]x

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.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.