Ames assigned everyone in his class a letter of the alphabet for his class project he is completing. He then put this letters in a box and shook it up. Would this be a bias or unbiased type of sampling? What type of sampling would this be considered? Group of answer choices Unbiased ; Simple Random Bias ; Convenience Unbiased ; Systematic Random Bias ; Voluntary

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

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

I'm confused on this could anyone me and show me what i need to do to solve it.