Cheryl has a postage of $2,500.00 she wants to send out catalogs for her baby shoe business to 4,800 customers. if it costs cheryl $0.53 to mail each catalog, how much will it cost to mail all the catalogs

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.

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6