Hello :
<span>a reflection over the y-axis</span>
Pythagorean Theorem: a^2+b^2=c^2
(9)^2 + b^2 = (23)^2
81 + b^2 = 529
b^2 = 529 - 81
b^2 = 448
b^2 =

b = 21.2
Answer:
2
Step-by-step explanation:

Hope it helps Pls mark as Brainliest!!!
Answer:
x^3y^2+x^2y^3-x^2-y^2
Step-by-step explanation:
I will edit my answer if you need my explanation.
If this has helped you please mark as brainliest
136mm?? Isn't it 68 x 2 because Y-K and V-Y are the same, so 68 x 2=136? I don't know