The answer to 18m + 27n would be
The correct answer is sss
So if there are twenty children and 6 have an average age of five, you could say their total age together is 30 years. The others (20-6) have an age of 8.
30+ (20-6)*8 = total age of every child at the library. From there divide by the number of children.
Answer:
(2x+1)(5x+3)
Step-by-step explanation:
'split the x-term and factorise by grouping
10x2+5x+6x+3←(5x+6x=11x)
5x(2x+1)+3(2x+1)
factor out (2x+1)
(2x+1)(5x+3)
⇒10x2+11x+3=(2x+1)(5x+3)
plz mark me as brainliest if this helped :)
