Need

ben wanted to know if there was a correlation between the height of a dog and its age. he collected data and created the scatterplot shown:

scatter plot with points loosely scattered going down to the right

determine the closest correlation coefficient (r value) for these data.

0
1
−1
−0.3

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