In each of the following problems, type the price per unit in the blanks, and place an x by the best buy.

a. Salad dressing, 16 oz. jar for 80¢ would = $
per oz.
b. Salad dressing, 12 oz. jar for 50¢ would = $
per oz
c. The best buy would be (
a. or
b.)

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

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