The value of (x-y) is 16
Further explanation:
We have to use the given values to find the value
Given

We will use:

Simplifying by using: 
So,

As we know that x+y=4
Putting the value in equation

Dividing both sides by 4

The value of (x-y) is 16
Keywords: Algebraic formulas, Simplification
Learn more about algebraic expressions at:
#LearnwithBrainly
You should draw a diagram
And it should make a triangle and solve using SOH-CAH-TOA (sin cos tan) relative to your angle of 69 degrees
Answer:
I am not sure sorry
Step-by-step explanation:
The answer to this question is n = 3