Which is the correct center and radius for a circle given by the equation (x - 2)2 + (y + 3)2 = 4?
A- Center (2,-3), radius 2
B- Center (-2,3), radius 4
C- Center (-2,-3), radius 4
D- Center (2,3), radius 2

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.