A class of students is randomly divided into two groups. One group meditates before taking a test. The other group does not. The test scores of the groups are compared. What type of study is described?

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*