In a certain chemical, the ratio of zinc to copper is 4 to 13. Ajar of the chemical contains 481 grams of copper. How many grams of zinc does it contain? It contains grams of zinc.​

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.

The perimeter of a rectangular rug is 24 feet. the length of the rug is 1 2/5 i s width. what is the area of the rug

What is the slope of (0,32) and (100,212)