13. The center of a circle is at (7,-2) and the point (6,3) is on the circle. Which is the equation
for the circle.

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Asphere has a diameter of 10 in. what is the volume of the sphere?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?