Mr. changs class has 28 students 4/7 of whom are girls. which equation shows how to determine the number of girls in mr. chang’s class

Need on this geometry question. explain how you did it.

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.