What is the least common multiple (lcm) of 15 and 45? a. 15 b. 675 c. 45 d. 90

Find the quotient. 50a2 – 98b2 -5a +7b

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?