Choose the inequality that represents the following graph.

Which of the following parabolas opens down?

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

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?