Fonzi spent a total of 90 minutes completing his chores this week. Which of the following equations represents the number of minutes Fonzi spent washing the dishes?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

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.