To find the decreased percentage,here's what we can do:

In this case,the eqaution would be:

Hope it helps!
Answer:
answer is A. cosine
Step-by-step explanation:
Answer:
I'm not sure what the answer is but I will tell you when I get it
Answer:
19 6j/5
Step-by-step explanation:
The answer would be 2 I’m pretty sure