Answer:
21.98
Step-by-step explanation:
C=2πr C=2d are the formulas of circumference so that would mean the diameter of the circle is 7 since 2 times the radius is the diameter. We then multiply the diameter 7 by PI to get 21.98
Answer:
7
Step-by-step explanation:
Hundreds because the answer is 251 so the 2 is in the hundreds
It should be 9-3x..............................