Hiii
please answer the above questions
very urgent

What is the product? (x2+3y+7) [yy+1)

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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.