Yelena and Michelle are 11/15 done with their school project. They have each done 1/2 of the work.
What fraction of the school project has each student completed so far?

PLEASE NEED THIS FAST

Which choice represents the sample space ,s for this event

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Can someone explain to me how to do