There are 72 boys and 90 girls on the math team.
For the next math competition, Mr. Johnson would like to arrange all of the students in equal rows with only girls
or only boys in each row.
What is the greatest number of students that can be in each row?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2