Sophia is 12 years old. her uncle reynald tells her that if she adds 5 to her age, multiplies the sum by 3, and then subtracts 4 from the product, she will find his age. she tells him that his age equals the expression 12 + 5 × 3 − 4 .is sophia correct?

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

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

What is the measure of at in oo below