Answer:
7 hours
Step-by-step explanation:
78-15=63
63 divided by 9= 7
12 because six people came to the party and you shake their hand
Answer:
Below
Step-by-step explanation:
Difference= ‘-’
=

Answer:
A. x < 6 and x > - 28
Step-by-step explanation:
We have been given the following inequality;
| x+11 | < 17
We can replace the absolute value function by re-writing the inequality as;
-17< x+11<17
subtract 11 from both sides;
-17-11<x+11-11<17-11
-28<x<6
splitting this we have;
x<6
x>-28