You multiply the radius by itself so r*2 times 3.142.
I think it is a linear function.
The number sentence that is true is B. 2.9 x 104 < 2.25 x 1011
2.9 x 104 = 301.6
2.25 x 1011 = 2,274.75
Therefore, 301.6 is less than (<) 2,274.75
Answer:
x=70
Step-by-step explanation:
![2x + 1 = 141 \\ 2x = 140 \\ x = 70](https://tex.z-dn.net/?f=2x%20%2B%201%20%3D%20141%20%5C%5C%202x%20%3D%20140%20%5C%5C%20x%20%3D%2070)