Maria spent half of her weekly allowance buying pizza. to earn more money her parents let her mow the lawn for $9. what is her weekly allowance if she ended with $13?

Which expression is equivalent to 2x^2+7x+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

Could somebody me with this radical simplification?