write -1, -2, -3, -4, -5, -6, -7, -8 ir -9 in each circle so that the sum along each side of the triangle formed is -20. use each integer once

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

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