(72% + 89%) divided by 2 (the number of total grades)
Answer:
find what?
Step-by-step explanation:
Looking at the question we can see that it says:

We should know what these symbols mean:
stands for something less than the other, for example:
We can say that 2 is less than 5 so in a symbolic form it can be written as,
Similarly,
stands for something greater than the other, for example:
We can say that 7 is greater than 5, in a symbolic form it can be written as,

So here,
means that, 42153 is greater than 35214.
Answer:
O
Step-by-step explanation:
-2/5
Step by Step :
18 - 8 = 10
-15 - 10 = -25
10/-25 = -2/5