Please need help 100 points

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Josephine has a great garden with and area of 2x2 + x - 6 square feet

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.