Answer:
1. 25%
2. 19/20 (This is a fraction btw)
3. I don't know this question sorry :(
5. No
6. Yes
Step-by-step explanation:
Have a good day :)

Other method:

zeros of numerator and denominator are x = -2 and x = 4.
Look at the second picture.
for x < -2 → x + 2 < 0 and x - 4 < 0
therefore 
for -2 < x < 4 → x + 2 > 0 and x - 4 < 0
therefore 
for x > 4 → x + 2 > 0 and x - 4 > 0
therefore 
<h3>Answer: B) -2 < x < 4</h3>
Answer:
x < 3
Step-by-step explanation:

Assuming that their exam success is independent then
P(both fail) = 1/4 x 2/5 = 2/20 or 1/10
Answer:
-360
Step-by-step explanation: