X+y+z=0
2x+3y+2z=-3
-x-2y-z=1
solve using substitution

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

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.