The middle school is planning a pep rally and wants to decide events for students to participate in. There are three grades: sixth, seventh, and eight, each with approximately 250 students. Which sample should the school use to determine the most reliable conclusion?

50 points~ ! i have to turn this in tomarrow

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90

What is 6/10 rounded to the nearest half