Chucky grabbed 11 1111 items in the grocery store that each had a different price and had a mean cost of about $ 4.44 $4.44dollar sign, 4, point, 44. On his way to the register, he gave in to an impulse to add a 1 2 th 12 th 12, start superscript, start text, t, h, end text, end superscript item: an entire wheel of cheese that cost $ 39.99 $39.99dollar sign, 39, point, 99

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.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

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