97. The great wall is more than 20 000 kilometers long. And about ¾ of it is considered as properly preserved.
I guess you are asking about the value of ¾ which is properly preserved in the said length of the great wall.
=> ¾ = 0.75
Thus, the formula would be like this:
=> 20 000 * .75 = 15 000
Thus, the ¾ value of great wall that is preserved is equals to 15 000 kilometers long,
Answer:

Step-by-step explanation:
The hypotenuse is 




The terminal side of
is in the second quadrant.
In this quadrant; the secant ratio is negative.



9 + 15 / 5 x 13 =
9 + 3 x 13 =
9 + 39 = 48
Answer:
the answer is 13.2
Step-by-step explanation: