Emma buys packets of coloured beads. Purple beads are sold in packets of 8
Red beads are sold in packets of 5
Blue beads are sold in packets of 10
Emma wants to buy an equal number of purple, red and blue beads.
What is the smallest number of each colour Emma could buy?

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

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship