Let H = {2m : m ∈ Z}. A relation R is defined on the set Q+ of positive rational numbers by aRb if a/b ∈ H. (a) Show that R is an equivalence relation. (b) Describe the elements in the equivalence class [3].

Which one is true about the hexagons ?

Which table represents a linear function? i'll give brainliest to first answer ^'^

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price