Answer:
u <= 80
u > 80
Step-by-step explanation:
The happiest would be
Null hypothesis: u <= 80
Alternative hypothesis: u > 80
Answer:
Cos^2x csc^2x
Step-by-step explanation:
Cos^2x (1 + cot^2x)
Answer:
0
Step-by-step explanation:
| |-11| - |4 - 15| |
= |11 - |-11| |
= |11 - 11|
= |0| = 0
