PLEASE HELP, MARKING BRAINLIEST!!

if 4m = 9n, then m/n=

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41