Answer:
8+12=20
Step-by-step explanation:
Is there another part to the question or something let me know.
Answer:
i think they are unlike terms
Step-by-step explanation:
Since this is a right triangle, you can use the pythagorean theorem,
, to find XY. Since we know that 15 and 17 are our legs and that XY is the hypotenuse, we can solve it as such:

In short, XY is √514, or 22.67 rounded to the hundreths, units long.
<span>Rewrite the subtraction as addition 3- (-10)
= 3 + 10</span>