To model two integers with different signs whose sum is positive. explain how you know the sum is positive

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.