3/5n+9/10=-1/5n-23/10
+1/5 +1/5
4/5n+9/10=-23/10
-9/10 -9/10
4/5n=-32/10
divide 4/5 on both sides
n=-4

Explanation:
Since we have given that
The prices of three t-shirts styles i.e $24, $30, $36 with their probability is given by

As we know that,


Now,

and

So,

So, the expected value of a t-shirt = $31.
Answer:
the answer 45 degree ,hope this helps you
Answer:

Step-by-step explanation:
Let's take points (2,3) and (-4,0)
Slope

So,

To find c we put value of (2,3) in the equation

Equation of line
