There are 9 students in a class: 7 boys and 2 girls. If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a boy?

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

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 =

Solve for x. −3/4(x+2)=6 enter your answer in the box