Answer:
100
Step-by-step explanation:
Answer:
20+16= 36
Step-by-step explanation:
Answer:8
Step-by-step explanation:
Answer:
18

Step-by-step explanation:
area of circle: 
A of circle G:
= 9
Maria's circle has double the area of circle G, so it has 2 * 9
= 18

1) x^2 + 8x + 16 = (x+4)^2
Answer: C. 16
2) x^2 + 4x + 4 = (x+2)^2
Answer: B. 4