the point of concurrency of the perpendicular bisectors of a triangle is called the

circumcenter.

centroid.

orthocenter.

incenter.

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 =

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates