There are 4 brothers opening christmas presents from their parents. the oldest brother received $10 more than his next younger brother who received $10 more than his next younger brother who recieved $10 more then the youngest brother. the total amount the 4 brothers received was $504. how much did the oldest brother receive

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

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

What expression is equivalent to 42x-56y