10-3.2n;n=2. What the answer

Really need on these. i have no idea what to do

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.

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other