Pls help me with my geo homework

What’s the range cuz i can’t find it?

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows. statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.

In a timed typing test lara typed 63 words per minute. estimate the number of words she should be able to type in half in hour show your work