Answer:
109
Step-by-step explanation:
X-3y=-5
-(x+3y=1)
-------------
-6y=-6
y=1
x=-2
Answer:
The MAD of {12, 10, 10, 8, 6, 7, 7, 12} is 2.
Step-by-step explanation:
<u><em>Step 1 : Add all the values Up:</em></u>
<u><em /></u>
<u><em>Step 2 : Divide them by the number of items or numbers:</em></u>
<u><em></em></u>
<u><em></em></u>
<u><em></em></u>
<u><em>Step 3: Find the absolute deviations:</em></u>
<u><em></em></u>
<u><em></em></u>
<u><em>Step 4: Add all the absolute deviations:</em></u>

<u><em>Step 5: Find the mean:</em></u>

Answer:
The sale price is $279.
Step-by-step explanation:
$310-10%=$279
I think -6x^2+17x+17 Hope it helps