When you divide a fraction by another fraction, it is the same thing as multiplying that fraction by its reciprocal.
The reciprocal is the 'flipped' version of a fraction where the numerator becomes the denominator and the denominator becomes the numerator.
for example, the reciprocal of 9/10 is 10/9
Knowing this information 4/5÷9/10 is the same as 4/5×10/9
Now we can solve...

Answer= 8/9
I cant see it really well

The slope of line is negative. Therefore, correct answer is D.
Answer:
x=-5.4
Step-by-step explanation:
The answer is 4 hope this helps (please add me as a friend)