Ineed i dont understand any of it.

Adriveway is 40 yards long about how many meters long is it

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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.