Calculate the area of this parallelogram.
can someone solve this please!!​

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.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which of the following is not a subset of {1,2,3}?