Answer:
n = -1
Step-by-step explanation:
you've accidently substracted 6n from 12n when you were supposed to be adding them. (-6n becomes +6n when brought to the otherside of the equal sign)
Answer:
1. 
2. 13.5 + 
3. 
6. 
These four options are rational;
Step-by-step explanation:
1. equals to 10 * 10 = 100 which is rational
2. 13.5 + equals 13.5 + 9 = 22.5
3. -- 3+27 = 30
6.
Option 4 and 5 are irrational because they include 
and 
which are not a perfect square and their answers will be non recurring and non terminating decimal fraction.
Answer:
C
Step-by-step explanation:
C
Inequlity: 15>= x
Greatest amount she can earn: $105 a week
