The bottom of the airplane door is 19 feet off the ground, and the ramp has a 31 degree angle of inclination. What is the length of the ramp (the part people are walking on)? How far away horizontally is the bottom of the ramp (where it meets the ground) from the airplane?

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 expression is not a polynomial?

What is the sum of the first 8 terms of the geometric series