<em>Hi there!</em>
<em>This should be easy,lol!</em>
<em>Answer:</em>
<em /><em> (Decimal: -221.702503)</em>
<em /><em> (Decimal: 280.592231)</em>
<em /><em />
<em>Sorry bout the explanation thingy. Their really long -.-!</em>
<em>But the last one is short so i'll put it for you!</em>
<em>Step-by-step explanation:</em>
<em>∴!For the last one!∴</em>
<em /><em />
<em>Simplifies to:</em>
<em /><em />
<em /><em> </em>
<em /><em />
<em>Have a great day/night!</em>
R=xa+xb, r-xa=xb, b=r-xa/x
Yes, that's correct. All you do is add the two numbers together and then divide by 2!
42.88. You might want to wait for another answer jyst to be 100% sure:)