Answer:
Step-by-step explanation:
Use KCF method
Keep the first fraction
Change division to multiplication
Flip the second fraction.
÷ 

Answer: 4/12 + 1/4 = 7/12 5/12 + 1/4 = 2/3
Step-by-step explanation:
Answer:
about 9cm
Step-by-step explanation:
Muliply the radius by itself: 16x16
Mulitply the answer by 3.14.
Divide 7252 by the answer to get 9
Whers the rest of the problem