Five balls are distributed between two urns, labeled a and b. each period, an urn is selected at random, and if it is not empty, a ball from that urn is removed and placed into the other urn. in the long run what fraction of time is urn a empty?

Clara solved the equation 7/3x = −2/3 as shown → 7/3x( 3/7 ) = −2/3 ( 3/7 ) x = −14 what is clara’s error?

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Which of the binomials below is a factor of this trinominal? x^2-13+30