If all could be answered it would be great. I am a Teachers Assistant but wasn't there for her lesson so I unfortunately do not have access to the lesson. if these can be explained, I'd appreciate it! thank you.

List three major educational changes over the past 100 years that have positively influenced students. explain why these changes were influential.

Ds unlimited has the following transactions during august. august 6 purchases 58 handheld game devices on account from gamegirl, inc., for $140 each, terms 2/10, n/60. august 7 pays $340 to sure shipping for freight charges associated with the august 6 purchase. august 10 returns to gamegirl three game devices that were defective. august 14 pays the full amount due to gamegirl. august 23 sells 38 game devices purchased on august 6 for $160 each to customers on account. the total cost of the 38 game devices sold is $5,448.51. required: record the transactions of ds unlimited, assuming the company uses a perpetual inventory system. (if no entry is required for a transaction/event, select "no journal entry required" in the first account field. round your answers to 2 decimal places.)

When using various forms of promotion to carry the promotion message, it is important that the recipients of the message interpret it in the same way. creating a unified promotional message, where potential customers perceive the same message, whether it is in a tv commercial, or on a billboard, or in a blog, is called