Two similar polygons are shown below. Which transformation was performed on PORS to form POR'S?
O A dilation factor of 2
O A dilation factor of 4
O A dilation factor of
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A dilation factor of

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?