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will mark brainleiest

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Find dy/dx using implicit differentiation ln(20+e^xy)=y