A circle with radius of 4 cm sits inside a 11 cm rectangle. What is the area of the shaded region?

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?