Fifty-three percent of all persons in the U. S. have at least some college education. Choose 10 persons at random. Find the probability that exactly one-half have some college education. Give your answer as a decimal rounded to 4 decimal places

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Which is the scale factor proportion for the enlargement shown?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?