How many standard deviations is Jose’s height from the mean height for 7-year-olds?
How many standard deviations is Jamal’s height from the mean height for 12-year-olds?

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.