Answer:
C
Step-by-step explanation:
1. 12+6 = 18 so that's the diameter of the big circle
2. next we take the square of 18 and multiply it by pi (324x3.14)
3. answer: 1017.36
Answer:
x is a variable to fill in something that is unknown. its like a question mark
Step-by-step explanation:
Number 8 is C. I'm still trying to figure out what number 7 is.
(a+b)^7= a^7+ 7a^7b+ 21 a^6b²+ 35a^5b³+ 35 a⁴b⁴+ 21 a³b^5 + 7a²b^6 + b^7
6x-28 is what I got for this
