For question 4, it would be a^2+b^2=c^2. So you would set up the equation as a^2+14^2=18^2. the third side would equal approximately 23cm.
<h3>Hey there! </h3><h3>

means GREATER THAN </h3><h3>

means LESS THAN </h3><h3>

goes on the LEFT side of the NUMBER CHART, while

goes on the RIGHT side of the NUMBER CHART </h3><h3>DECIMALS are UNDERNEATH

REAL NUMBERS are ABOVE

</h3><h3>So, </h3><h3>

</h3><h3>

</h3><h3>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h3><h3>ANSWER:

</h3><h3>Good luck on your assignment and enjoy your day! </h3><h3>~

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It will take 30 minutes more for remaining grass.
As he mowed 40% in 20 minutes, it shows that he mows twice percentage of grass in the time calculated in minutes.
So it will take 30 minutes for remaining 60% grass.
Aiden should have calculated
area = (1.1 * 5.4) / 2
because triangle area = half the base times the altitude.