DBJ + ABJ = 90
DBJ = ABC
DBC + ABC = 90
JBC + DBC + ABJ = 90
And last but not least:
ABJ = 28
The correct answer is: 2/5.
Explanation:
First you have to add the following expressions:

Now subtract the above expression from
:

Hence the correct answer is 2/5.
How are we supposed to answer the question without the picture?!?
Answer:

Step-by-step explanation:
5 times a times 5 times a
you can do 5 times 5 first and get 25
then you can do a times a and that gets you
then you multiply these two together and you can get 