Can anyone say me the answer fast...​

If eh = hg and hg=16, find the diameter of k

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.