Step-by-step explanation:
surface area of hemisphere=2πr²
subtract 6 from the 21x+6. Then divide by 21. The answer is going to be -6/21
Answer:
-0.8078217663
B. 6
D. 12 cant be multiplied to get 18
C. 4 cant be multiplied to get 18
A. 2 is a common factor of 12 and 18 but not the greatest.
B. 6 times 2 is 12 and 6 times 3 is 18 so 6 is the greatest common factor.
c.
