A store advertises a 20% markdown on a dishwasher with a selling price of 952$. Find the sale price. This is the greatest possible markdown that the store can discount the dishwasher without losing money. What does this tell you about the cost?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

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.