Answer:
y= 8
Step-by-step explanation:
-2y+16=-5y+40
−2y=−5y+40−16
−2y=−5y+24
−2y+5y=24
3y=24
y= 24/3
y= 8
Answer:
D
Step-by-step explanation:
apply pythagorean theorem to find sin of theta.




Find the reciprocal to find find csc.

rationalize the denominator.

Csc is negative in the 3rd quadrant.
so the answer is

D is the answer.
Answer:
5.097
Step-by-step explanation:
Answer:
22 sides
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides
Here sum = 3600° , then
180° (n - 2) = 3600° ( divide both sides by 180° )
n - 2 = 20 ( add 2 to both sides )
n = 22