What is the scale factor

(2, 4) (2, 1) (6, 12) (4, -5) (-2, 4) |(2, -4) (6, -12) (-4,5) quadrilateral abcd is reflected over the x-axis. quadrilateral abcd is translated 2 units right and 1 unit down. quadrilateral abcd is dilated by a scale factor of 3. quadrilateral abcd is rotated 180° clockwise about the origin. reset next

Aparachutist descends 38 in 2 seconds . express the rate of the parachutists change in height as a unit rate

What is 2/4+1/4,find the common denominator