Aphone call costs $.75 for the first 2 minutes and $.25 for each additional minute. if the total charge for the call was $10.25, how many minutes total was the phone call

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh