A circular ink spot has a circumference of 25.12 mm. A minute later it has a circumference of 75.63 milliliters. Estimate the diameter of the ink spot each minute. ( PLEASE EXPLAIN THE PROCESS I REALLY DONT GET IT)

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Interpret the following expression (5y^2-7)^3/(2y)^2

What is the gcf of 20c^3-5c^4+30c^6