-2.2 = x - 4.2

solve for x

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)

True or false: dilations map angles of the same degrees