Two variables are correlated with r = -0.18
which description best describes the strength and direction of the association
between the variables?
weak positive
moderate negative
weak negative
strong negative

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe