The center of a sphere is
A. a line segment from the center point to the surface of the sphere.
B. a fixed point equidistant from all points on the surface of the sphere.
C. a three-dimensional circle in which all points are equidistant from a fixed point.
D. the same as the base of the sphere.

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

The measure of angle 0 is 600 degrees

2x minus y equals 6, x plus y equals negative 3