Mrs. rodriguez has 18 packages of pens in stock at her store on monday. on tuesday, she has 5/6 the number of pens she had on monday. on wednesday, she has 2/5 of the number of pens se had on tuesday. how many packages of pens does she have on wednesday?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?