Answer:
1. 25%
2. 150%
3. 3%
4. 75%
5. 60%
6. 210%
7. 10%
8. 1%
9. 40%
10. 87.5
11. 105%
12. 2%
Step-by-step explanation:
I hope this is correct. I solved it using the addition elimination method. The answer is s= 2, and r= 5. I hope that was helpful.
Answer:
2370 cm²
Step-by-step explanation:
2(32·15+15·15+15·32) = 2370
Answer:
See explanation
Step-by-step explanation:
First, convert this to standard form. By completing the square, you can do the following:


This is a circle with center (-1,-2), and radius 7. It looks like the one I graphed below. Hope this helps!