B2 − 4ac for a = −2, b = 9, and c = −3

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 expressions is equal to 2x^2+8

How do i multiply two digit numbers