Answer:


Step-by-step explanation:
Given
See attachment for triangles
Solving (a)

The tan of an angle is:

From the given triangle.


So, we have:

Solving (b)

The cos of an angle is:

From the given triangle.


So, we have:

Answer:
$0.23 or D
Step-by-step explanation:
Edg :)
Ummm i don't know what the pmf would be but the probability of grabbing a blue sock would be 10 out of 100...