In making a keychain, sara uses a pattern of beads 3 times. after the key chain is complete, what fraction of the beads in the key chain are either blue or red ?

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?