The sum of 18 and 3 is 21
Cube has 4 lateral faces
4s² = 676 = 4 × 169
s² = 169
s = 13
your answer is 13
For percent, you just move the decimal over two spaces to the right, and add the percent sign. In which that would be:
<em> .5%</em>
And for the fraction: Since the 5 is in the thousandths place, the fraction would equal to:

when simplafied:

~Hope this helped :)
600 = 360 + 240
In unit circle, (x,y) = (cos(240), sin(240) ) = (-sqrt(3) / 2, -1/2)
<h3>The answer is:</h3><h2>9</h2><h2 />
The opposite of a POSITIVE number is its NEGATIVE number.
The opposite of a NEGATIVE number is its POSITIVE number.
Therefore, the opposite of -9 is 9.