Answer:
<h2>
640 ft^3</h2>
solution,

Hope this helps...
Good luck on your assignment..
<em>HOPE</em><em> </em><em>THIS</em><em> </em><em>WILL</em><em> </em><em>HELP</em><em> </em><em>U</em><em>.</em><em>.</em><em>:</em><em>)</em>
Answer:

Step-by-step explanation:

Answer:
x < -3/2
Step-by-step explanation:
12x + 7 < -11
Subtract 7 to both sides
12x < -11 -7
= 12x < -18
Solve for x.
x < -18/12
= x < -3/2
Answer:
P = 9
Step-by-step explanation:
To find y :
[2x + 4y = 10] (x1)
[x + 9y = 12] (x2)
--------------------------- -
2x + 4y = 10
2x + 18y = 24
-------------------------- -
4y = 10
18y = 24
-------------------------- -
14 y = 14
y = 1
To find x :
x + 9y = 12
x + 9(1) = 12
x = 12 - 9
x = 3
Put the x and y to find P
P = x + 6y
P = 3 + 6(1)
P = 9