A surface S is implicitly defined by the equation -xy^3+5xz+yz^2=5
Find an equation that is tangent to S at (1,1,1)

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.

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.

Can someone me and do the problem plz so i can understand it more better