Answer:
6.35%
Step-by-step explanation:
165/2600 x 100
= 165/26
= 6.35
If this is supposed to be

Then this can simply be reduced to

by the double angle formula for cosine
Answer:
A.(5,1) to
Step-by-step explanation:
because the y axis is on a 5 and the x axis doesn't have a question ❓⁉️ so you have (A) to be your answer

As, 

=0.301029+0.845098+1.13943
=2.26007
=2.260(approximate)
Answer:
C
Step-by-step explanation:
A =
r²
so we do
5² = 25 * 
25 * 
= 78.5 square units