A culture increases by 500 bacteria every 2 hours. If there are 500 bacteria at the beginning, how many bacteria will there be after 24 hours? I got 6500 but was marked wrong.

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save