Come up:

come up

The grass is just beginning to come up.

We watched the sun come up.

I saw a shooting star come up in the night sky.

The issue came up during the meeting, and we discussed it in detail.

Come up with:

Never expect him to come up with a brilliant idea.

She came up with a good idea for raising money to help the homeless .

We weren't able to come up with any new suggestions. 

She always comes up with creative solutions

come to

He finally came to a decision about which college to attend.

After a long discussion, we came to a conclusion that satisfied everyone.

Come to a conclusion:

"After hours of discussion, the team finally came to a conclusion about the project's direction." 

"We need to come to a conclusion on which proposal to accept by the end of the week." 

Come to an end:

"After a long journey, our holiday finally came to an end, and we had to return home." (

"The concert came to an end with the band's most famous song." 

"As the sun set, our picnic by the lake came to an end."