Answer:
D. -√3/2
Step-by-step explanation:
Remember your unit circle.
Alternatively, you can plug in cos(7π/6) into your calc (Put it in rad mode) and calculate your answer.
Answer:

Step-by-step explanation:
It has to be the second one and it’s part of that answer or maybe it’s the third one
I will give you the formula and teach you how to solve this. Let’s start with finding the area of both the right triangles.
The formula is, base x height / 2 = area
Triangle 1 - 2x8/2 = 16/2 = 8
Triangle 2 - 2x8/2 = 16/2 = 8
Rectangle - 8x3 = 24
Add them up: 24 + 8 + 8 = 40 square feet
I hope this wasn’t to confusing
The probability of senior citizens suffer from sleep disorders is

The probability of senior citizens suffer from anxiety is,0.09.

The probability of seniors suffer from both sleep disorders and anxiety is,

a. The probability that a senior citizen suffers from anxiety, given that he or she has a
sleep disorder.

