PLEASE HELP ME ON THIS ITS THE LAST ONE FOR THE DAY

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

Solve the triangle. a = 21°, c = 105°, c = 5

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate