find the distance between pooler and savannah if there are 2 cm apart on a map with a scale of 1 cm 4.5 miles

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Combine like terms to make a simpler expression 3z+z

(x-5)1/2+5=2 what is a possible solution?