The tensile strength of a wrought iron bar varies directly as the square of its diameter. A bar of diameter 2 inches can withstand a load of approx. 360,000 lbs. What load can a bar of diameter 3 inches withstand?

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.

Which of the following tables represents exponential functions?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?