Pictures are in order of question1) find the value of x. 55 70 110 125 find the value of x. 50 65 80 130

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)

Which statements regarding efg are true? check all that apply.

Collin did the work to see if 10 is a solution to the equation r/4=2.4