Find the locus of s point which moves such that it's distance from the point (1, -2) is half its distance from the x-axis
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Need this asap if anyone can i would be very grateful. if you could show workings that would really

Can some one explain this i got sent this. is this a threat i’m scared

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.