normal

They both need repotting, but the first one especially.

Mealy bugs are common succulent pests, but they wouldn't arrange themselves so uniformly around the plant. Normal growth.

Okay. thank you! & i want to repot them but im scared if i move them they will die. Where can i find basic info for best soil or repotting instructions.. google is all over the place with info.

Soil mixes vary based on your specific environmental circunstances. So tell us a little about where you have been keeping the plants and where you're planning on keeping them in the future. Also if you search on this forum, you'll find quite a few results for soil mixes.

I live in ohio so i keep them as indoor plants. I have never had plants before & my mom kills all of hers so I've never witnessed proper care. My window blinds are usually closed unless I'm home. They are the basic white drawstring blinds. I cant control the temp of my apartment so it is usually about 75-80F & I don’t usually use my AC in the summer. I have had these on the windowsill, the more prickly one actually died. I'm not sure how often to water them either because I read mixed information on succulents and im not sure the exact type of cacti they are. I am trying to figure out the perfect lighting as well, I have only one large window in my living room. My window is facing north so I don't get much direct sunlight. I have a money tree which sits close to my window but on a table next to the wall so it is not in direct light. The building in general has pretty dry air. I was debating on purchasing a humidifier because I wasn’t sure if the constant high room temp was an issue. if you need anymore info feel free to ask!

Charlotte,

The less prickly one is an Echinopsis subdenudata, sometimes called a domino cactus. The high temps in your apartment won't be a problem, however the lack of light will potentially be a problem. While the E. subdenudata isn't one of the more notoriously light-hungry cacti, it is still a cactus and needs ample light. It will also require a well-draining substrate. An easy formula for many people is 50/50 perlite to bagged cacti+succulent soil in a terracotta pot. Don't be afraid of repotting, cacti can deal with losing some roots without issue. Don't water for a week, maybe two, after repotting. As far as light, it is likely that you'll need to supplement whatever natural light you get with artificial light of some kind.

Succulents don't need too much humidity! Their habitat is generally dry & lean..so don't try to increase humidity just for them. Poor lighting could be problem, especially if blinds are closed. Consider supplemental lights - or keeping plants that don't need min. 5hrs of direct light as most succuents do