Show your work please will give brainliest...
The square of a certain positive number is equal to 2 more than seven-thirds of that number. What is the number?

6
4
3

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

Nine more than four times a number is the same as one less than twice the number. find the number?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents