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.


A line of symmetry basically is like a reflection of a shape, so your answer is D.
1. Distribute the 4 with (2x-5)
2. Then add 15 to -20
3. Isolate x by adding 5 to the other side of the equal sign
4. Finally divide by 8 on both sides
21.7 L/day
280 day
0.5 L/bottle ,therefore,it's not hard to tell, the answer is 21.7*280/0.5