The temperature was 20 degrees below 0 at midnight. By morning it fell another 15 degrees. choose the correct expression A. 20-15
B. -20+(-15)
C. -20+15

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.

Pls what is the relative minimum of the function? enter your answer in the box

What is the slopeof the live that passes through the points and (-2,-5) and (3,-1)