Kate took a test and she got a grade between 80% and 95%, inclusive. what is the greatest percent error she could have?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

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.