Plsss provide Explanation to IF you can...very confused!!

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2