Kristin wants to buy a pair of jeans that cost $45. she gets a 15% discount since she works at the store. she has to pay 6% sales tax. how much will she pay for the jeans?

Identify the number as a rational or irrational.explain. 127

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible