HELP ME W MY MATH IM BEGGINGM

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

Is a square always, sometimes, or never a parallelogram

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?