Suppose that every student in a discrete mathematics class of 25 students is a freshman, a sophomore, or a junior. a) show that there are at least nine freshmen, at least nine sophomores, or at least nine juniors in the class. b) show that there are either at least three freshmen, at least 19 sophomores, or at least five juniors in the class.

Identify the polynomial. a2b - cd3 a.monomial b.binomial c.trinomial d.four-term polynomial e.five-term polynomial

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)