PL HELP ME Add using the number line.

−0.5+(−1.7)

Select the location on the number line to plot the sum.

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.

In which form is the following function written? y = - 2(x – 3)(x + 5)

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.