A box weighing 30 kg contain several student math books and one teacher's edition if each student book weighs 2.3 kilograms, the teacher's edition weighs 4.3 kg and the box weighing 0.4 kg grams when empty how many student in books are in the Box

What is the slope of a line that is perpendicular to y = 3x + 1

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Find the commission on a $590.00 sale if the commission is 15%.