Boys : girls
5:7
it goes left to right so theres 5 boys
The answer to this question would be C, 9. The reason for is cause you remove the parentheses then add the numbers 1.2 + 7.8=9.
Answer:
(a)


(b)


(c)


Step-by-step explanation:
(a) This is a sequence of consecutive number



(b) This is a sequence of 2 to the power of n - 1. The next number is twice time of this number



(c) This is factorial sequence. Where the next number is this number multiplied by 



Answer:
ight its pretty self explanitory its B.
Step-by-step explanation: