<span>5/2+(-2/3)
=</span><span>5/2 - 2/3
= 15/6 - 4/6
= 11/6
answer is </span><span>A. 11/6</span>
Let the two numbers be x and y
then x+y=9
x-y=3
2x=12
x=6
6+y=9
y=3
so the numbers are 9 and 3
5x-y10 We're basically just multiplying the 5 by x and the y by 5 and -2.
(5/x= 5x) + (y/-2/-5)
<span>4|x| +5|y|
=</span><span>4|8| +5|-7|
=4(8) + 5(7)
=32 + 35
= 67</span>
From the exterior angle theorem, we have 
so 
