Answer:
Always
Step-by-step explanation:
Every square is a closed figure, and every square has 4 straight sides, so every square is a quadrilateral.
Answer:
3, with 2 people left over
9x+ 5y=35
2x + 5y=0 |* -1
9x +5y= 35
-2x -5y= 0
-----------------
7x / = 35
x=35:7
x=5
2x+5y=0
2*5+5y=0
10+5y=0
5y=-10
y= -10:5
y=-2
The answer is 216 cubic feet. How? All you have to do is multiply every number then divide it by 2. Like this: 2*12*18=432. 432/2= 216 cubic feet.
Unfortunately I can not answer this question because there are no underlined digits in your question