Answer:
11 units
Step-by-step explanation:
simply subtract -3 from 8, which is the same as adding 3 and 8, so the answer is 11 units.
2.69 maybe not so sure ..
There is a 150% increase.
Work is attached in the image provided.
2.10 is greater than 2.09
because 2.10 has more equation than 2.09
A the first one because it is