Sara is playing a game that includes a spinner. The spinner is divided into 4 sections: one red, one blue, one green, and one yellow section. After 25 spins she has landed on red 8 times, blue 4 times, green 7 times, and yellow 6 times. Based on her results, predict how many times Sara will land on yellow if she spins 100 times.

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

Tom drove 206 miles in 3.9 hours. estimate his average speed.

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.