1. What are the mean, variance, and standard deviation of these values: 3.5,
4.7, 6.4,5.8, 4.2

How do you determine whether a relationship represented as as graph is linear or nonlinear

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?