Press the hotspot next to the name of the learner who wrote an incorrect expression.

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

What statement is true? 2x^2-9x+2=-1

X-10/4 when x = –18 a 7 b –2 c –7 d 2