A store is going out of business and marks all prices at 85% off. Is there a proportional relationship between the original price of an item and its price after the discount? Explain your answer.

What is the answer to |-2x-5|-|-4+8| and x=7

What is the standard form of -5x^2+2x^4-11+x^3+3x

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.