A math class has 5 girls and 5 boys in the seventh grade and 5 girls and 7 boys in eight grade. What is the probability that the students selected are both girls

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same