Ou select a marble without looking and then put it back. if you do this 21 times, what is the best prediction possible for the number of times you will pick a marble that is not orange? there are 7 marbles in total, 2 orange marbles and 5 blue marbles

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Select the graph of the solution. click until the correct graph appears. |x| = 3