Are these answers correct?

HBr. Assignment 4 Questions (Chapter 4) 1) What is the major product of the following reaction? ? 6) Obr c) CLBrd) Der ) 2) What starting material could be used in the following reechin? ? = X 7 A) Y Br -Br -Br CI 3) which intermediate is most stable? CE Ho acid c) y d yo 4) which product is formed in the following reaction? ? Lot c) Yohd) suot s) what product is formed when 1,2-dimethylky dopentene reacts with Bre? V roit a) o oh b a Brzy in Br mir Br Br d V a) a Br Br Br BO