Answer:
DEH and HEJ are complementary angles for example.
Step-by-step explanation:
We need to provide any 2 angles that sum to 90deg. We can clearly see that DEH and HEJ are complementary, we can see the same for JEK and KEF.
I don't believe there's more.
Answer:
Can you give it in a english
Step-by-step explanation:
Our expression is below

by solving it for the value of k






1/8 of 3 is 24. So he had 24 books in all.
Answer: x4
Step-by-step explanation: