What is -20 simplified

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

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.