You subtract negative 4 and negative 12...think in a number line and you find negative 4 and then you decrease( which means you move to your left of the number line) and find negative 12 and then you count the spaces you took to get to negative 12
Answer:
<em><u>Here</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>error</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em>
<em><u>
</u></em>
<em><u>It</u></em><em><u> </u></em><em><u>should</u></em><em><u> </u></em><em><u>have</u></em><em><u> </u></em><em><u>been</u></em><em><u> </u></em><em><u>,</u></em>
<em><u>
</u></em>
Step-by-step explanation:
<em><u>Corrected</u></em><em><u> </u></em><em><u>formula</u></em><em><u>:</u></em>
<em><u>
</u></em>
<em><u>
</u></em>
<em><u>
</u></em>
<em><u>
</u></em>
<em><u>
</u></em>
<em><u>
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It appears as if 12cm is half the length of the side so we can assume that the total length of one side is 24cm.
The area of a square is given by the equation
where s is the length of the side.

A=576
The area of this square is 576cm2.
Hope this helps!
Answer:
3:4
Step-by-step explanation:
(1/7)/(4/21) = (1/7)×(21/4) = 3/4 = 3:4