In a classroom of 28 students , 12 students are girls. if a student is selected randomly , what is the probability that the student is a boy?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?