Answer:
12.6
Step-by-step explanation:
c=2 x 3.14 x r
2 x 3.14= 6.28
6.28 x 2= 12.56
Answer: b) multiply row 1 by -3 and add the result to row 2
Step-by-step explanation:
It is 26 I have worked it out 278 times and it is 100% correct
Answer:800
Step-by-step explanation:
dont know
Answer: C: 2n
Step-by-step explanation:
Before was 1+2+4+8+16+32+...........
And now 1+2(1)+2(2)+2(4)+2(8)+2(16)+...........
