We can simplfiy to be 
.
We know that
is 10 and
is i, so the answer is 10i, or D.
To round this we have to go to the thousands place since the thousands place in this question is 8 its closer to 10 so the answer is 10k or 10,000
Answer is HL
YZ = YZ
WY = XY
<X and <W is right angle
<span>if the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent</span>
(0,-9) is the y intercept