∆XYZ is translated left 4 units to form the image ∆X′Y′Z′. What are the coordinates of the vertices of ∆X′Y′Z′ ?

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Ive seen this before! the answer is b

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho