(4,-1) turns into (1,4) because the equation for that is (x,y)->(y•-1,x)
360 degrees in a circle divided by 5 is 72
Hey!
-------------------------------------------------
Solution:
The ratio is FEMALES to MALES.
So its 18/16, 18:16, or 18 to 16.
~Now we need to simplify.
18:16 → 18/2:16/2 → 9:8
*Note* When you have a ratio you need to know which comes first. If you put males to females that incorrect. It has to be correct according to the question.
-------------------------------------------------
Answer:

-------------------------------------------------
Hope This Helped! Good Luck!
Split the shape in to two this is the rectangular side.
15+6=21
21×7=147
147×4=588in
square shape
6+6=12
12×12=144
144×4=576in
then add the answers together
588+576=1164in
1164 is how many more inches greater
The length of a pendulum that makes one full swing in 1.9 s is about 2.926 which is about 3ft when rounded to the nearest foot