A researcher is studying the growth of bacteria. He starts with 80 of the bacteria. It grows continuously at a rate of 4% per hour. How
many bacteria will there be in 18 hours? (Round to the nearest integer
if necessary)

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.