It’s an isosceles triangle, so both the legs will be congruent, and then we can use the Pythagorean thrm
8^2+8^2=x^2
64+64=x^2
128=x^2 *square root both sides*
x=11.3
So the answer would be C
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Quadrant I
Answers. Sample Response: If (−2, −8) is reflected across both axes, it will be located at (2, 8), which is in Quadrant I. When a point is reflected across both axes, the signs of both the x- and y-coordinates change.
ANSWER
The correct answer is B

EXPLANATION
The given exponential expression is

We can rewrite this as,

We need to simplify to obtain a positive index, so we apply the following property,

This implies that,

This will finally simplify to,

Therefore the correct answer is B