Couldn't you use the law of cosines to find one angle and use the law of sines to find the rest

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

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Find the midpoint m of z1=(8+5i) and z2=(12+3i)