The diameter of circle a is 9 times as great as the diameter of circle b. the area of circle a is how many times as great as the area of circle b? a) 9 b) 16 c) 81 d) 20 e) 1,543

  C)  81

Step-by-step explanation:

Area of a circle is proportional to the square of the diameter. If the diameter is larger by a factor of 9, the area is larger by a factor of 9² = 81.

8(1/6)

step-by-step explain:

49/6= 48

8 (1/6)