How to brainstorm ideas for a slideshow for math and science!

Idk what to do

My brain is very fried from all this school work!

Today is my last day!

Which of these choices show a pair of equivalent expressions?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x