Help!! A survey of radio stations was conducted following the attacks on the World Trade Center in 2001 . One of the variables recorded was the region the station was located in (east, center, or west). The variable "region" can be summarized in a graph by:

a histogram.

a pie chart.

a bar chart.

a bar chart or a pie chart.

Write 5 numbers that round to 740 when rounded to the nearest 10

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

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.