Matthew and courtney have 72 coins altogether. courtney has 8 more than 3 times as many coins as matthew. how many coins do they each have?

Which is a graph of a proportional relationship?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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.