Welcome Brittany! I like your before art school work, they have a "feeling" to it that it's hard to explain haha.
I'm definitely not an expert in this, but i'm gonna try to give some advices on your photoshop assignments that i hope you will find helpfull.
For the Image Adjustments:
It seems that you used the lasso tool or something else to select the colors... you may want to use a automatic selection tool (like the Magic Wand in Photoshop) for this, to get the entire shape.
The last exercise (Mei on the beach), is quite hard, and you definitely don't need to have a perfect result, but i think it will be good to try it again so you will get a better understanding of the tools at your disposal.
I don't know exactly how you have tackled the problem, and i would adivise you to ask for some help in the discord server, but i feel that you would get a better result by using the color balance tool... by looking on your image, we can see that there's too much Cyan and too little Red (look at the square in Mei's gun), too much Green and not enought Magenta (Look at Mei's gun holder and her skin). You can get more close to the real one by looking what colors you have too much and too little.
You don't need to lose your mind on this, and it is a very hard exercise, but i feel that you can get much out of it.
For the pen control assignment:
Good work on your lines and circles! Maybe you could have used a smaller brush in the second exercise, but it's good anyway!
The exercise 4, unfortunately didn't end so good... were you using the pressure sensitive in the entire assignment? I can see some thinner lines here and there on exercises 1 and 2... even if you didn't, it may be the case that your tablet is too sensitive right now. It may be worth to take a look at this. By looking at your lines and circles, i know that you can most definitily do better hehe.
Hope that helps! I'm eager to see your progress!
