They can not, there are only 2 sides and they probably flipped it different ways. They got 'lucky'.
Well 40 times 6 is 240 which means that you don't have to round.
X=-9
-x=9 so x=-9 since you inverse the sign
Anything that is absolute value is just that same number
therefore the answer is 1/4
hope this helps
<em>Answer:</em>
<em>In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.</em>
<em></em>
