Answer:
1. I'll wash the dishes; you dry them
2. We are going to the museum on Saturday. The exhibit leaves on Sunday
3. Let's meet in the parking lot at noon; the movie starts at 12.
4. I'll wash the dishes. Please turn the radio on.
5. We are going to the museum on Saturday; two weeks from today we will have a visitor
6. Let's meet in the parking lot at noon. Are those new shoes?
Bonus: There also needs to be a capital letter at the beggining of the new sentence.
Explanation:
I put semicolons because they were related. I put periods because they were two different subjects, and sentences.