Answer:

Step-by-step explanation:
We are to multiply;
× 
We first multiply 2 × 5 to get 10
Then multiply 3 × 7 to get 21
Finally divide 10 ÷ 21 to get 
Answer:b is the answer
Step-by-step explanation:
after each number you had 11
so when you subtract
32-12 = 11
now add this 11 to 43
11+43 = 54
so the next numbers are 45 and 54
I hope that's help ! Please let me know if you have questions !
Answer:
C=100.53 CM²
Step-by-step explanation:
Formula to the circumference of a circle is 2π·r
2π=6.28
6.28·16=100.53 CM²
About 19 because it ise 2012 and grumpy cat is o a good memsen