Ateacher has 6 blue markers and 3 red markers. the teacher picks on marker without looking. which number best represents the probability the teacher picks a blue marker,1/3 or 2/3? explain your answer.

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? will mark the

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?