Janice is making necklaces with colored beads. She makes them into squared patterns like the image below. Part A: How many long beads are needed to make 4 and 8 squares?

What situation is an example of an observational study

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62