Which product is positive? A. (2/5)(-8/9)(-1/3)(-2/7)
B. (-2/5)(8/9)(-1/3)(-2/7)
C. (2/5)(8/9)(1/3)(-2/7)
D. (-2/5)(-8/9)(1/3)(2/7)
PLEASE HURRY :) :)

Jim had 15 minutes to do 5 laps around his school what would his time be

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?