The answer is 1/4.
(n+9)/4(n+9)=1/4
This question is incomplete.
Answer:
The expression is 100x + 50y ≤ 800.
Step-by-step explanation:
The hip hop DJ charge for $100 per hour. Let x be number of hours of hip hop :


For rap DJ, the charge is $50 per hour. Let y be the number of hours of rap :


Given that both DJs spend a maximum of $800. So the final expression is :

Answer:
I believe the one you selected is correct. A negative plus a negative makes a positive meaning you start at -2 and end with +2