Triangle PQR is reflected across a line, P =(4,-5), and P'=(-4,-5). What is the line of reflection?
the x-axis
the y-axis
the line y = x
the line y = -x
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I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

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