Answer:
5:2
Step-by-step explanation:
(9x - 1)² = <em>81x² - 18x + 1</em>
Just take 45 minutes minus 19 and you will get 26 minutes left
Answer:
Just try to make it make sense to you.
Step-by-step explanation:
For instance, a + 1 = 5
a = 4
We know that we should switch the terms as when it comes to normal numbers ,10 + 1 = 11 , 10 = 11-1. Therefore, the only trick is not to memorise, but try to understand the logic behind it. Hope this helps in some way???