Point a is located at (−2, 2), and d is located at (4, −2). find the coordinates of the point that lies halfway between a and d. (5 points)

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3