Mr. grant's credit card bill was $2,684.72. if he has already paid off $1,865.24 of the amount due, how much more does he have to pay?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?