Answer:
- 120p^2 + 34p - 3
Step-by-step explanation:
You need to make sure you SIMPLIFY.
Answer:
Step-by-step explanation:
she runs the air during the 4 hottest months.....30 days per month....so she runs the air for (30 * 4) = 120 days
she runs it for 7 hrs per day....so she runs it (7 * 120) = 840 hrs
at a cost of 0.25 per hr....(840 * 0.25) = $ 210 <==
Mean = (3+7+4+6+5)/5= 5
Median(middle value) = 3, 4, 5, 6, 7= 5
Answer:
y=15.50x
Step-by-step explanation: