The Dendrobium is over-potted (too big a pot) but in any case it will probably recover, so do not repot. Look up full culture notes on the net for hardcane/phalaenopsis type Dendrobiums that relate to where you live in the USA. Do not remove the keiki for now. Given good growing conditions you may get a flower spike next Autumn.
The Cattleya doesn't look too bad and your mother may not have killed the flowering leaf (It is called a sheath) perhaps the plant was not ready to flower, but the signs are good for a flower from the newest growth when it matures.
Again read all the complete Cattleya culture notes that you can find on the net that relate to your growing conditions.

Mia,
Here's a link to orchid culture sheets from the American Orchid Society. Hope they help.

Randy

Here is a link that might be useful: AOS Culture Sheets

This is the time when dendrobiums grow their best. Give your dendrobium lots of water and fertilize it regularly with a low nitrogen fertilizer until the fall. In the fall back off from the water and fertilizer.

The cattleya looks like it has a new lead in the center front of the picture. If so, that's a good sign. Fertilize it regularly also, but let it dry out between waterings.

The cattleya likes more light than the dendrobium, but give both plants as much light as they will take without burning.

You might get flowers this fall on the Den. It looks good. Give it tons of light. The Catt looks good also. A few years ago I got took a few pieces of rootless dens and rooted them. Ugly looking plant, but the pieces grew roots, sent up a new growth and actually flowered this winter. Here's the pic. This new growth was only about 8 inches with a tiny spike with two flowers.
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This took about 2 years. You'll have flowers this fall if you give it tons of sun over the summer. Good growing!

Jane

Thank You everyone I'm now much less worried about them and will continue what I'm doing as they seem quite happy with it.

Thanks for the links.

--Mia