Apromotional sale at a department store offers 25% off the sale price. the sale price is 25% off the regular price. is this the same as a sale that offers 50% off the regular price? (try both with a coat whose original cost was $100)

For the equations below which statement is true ? -2x=14 6x=-42

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.

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.