Cho văn phạm phi ngữ cảnh với tập quy tắc sinh là R = { I->aIa, I->aa/a∈∑={a1,a2,a...,a3}.

tìm ngôn ngữ do văn phạm sinh ra. Hãy chỉ ra dẫn xuất đầy đủ của xâu ω=a3a2a3a1a2a2a1a3a2a3 trong văn phạm trên

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.