What is 4=4
by the way if you answer then you get 24 points

Bring the fraction a/a-4 to a denominator of 16-a^2

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.

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?