Step-by-step explanation:
........................
100.47 because: 33.3+1.4 =34.7
785+1=786
34.7log(786)=100.47
Step-by-step explanation:

from difference of two squares:

therefore:

factorise out ¾ :

The answer is 23 and 1÷9
First you multiply 4 by 5 and wind up with 20
Then you multiply four by 7÷9.
That gets you 28÷9
You take out all the nines you can from 28, three in this case.
That gets you 27÷9 + 1÷9
Your total thing is 20+27÷9+1÷9
That equals 20+3+1÷9
That equals 23 and 1÷9
Answer:
3
Step-by-step explanation: