The correct answers are:
✅ A. Lightning Usage App
✅ C. Performance Analysis for App Builder

Explanation:
✅ A. Lightning Usage App
This tool helps track user adoption, page usage, and general Lightning Experience metrics.

It provides insight into which pages are used most often, and by which profiles or users—critical for evaluating adoption trends.

✅ C. Performance Analysis for App Builder
This tool is embedded in the Lightning App Builder and provides performance scores and recommendations for improving page load speed.

It helps identify components or configurations that may be slowing down the page.

C,D is correct