Given:
WXYZ is an isosceles trapezoid. WY=8x-3 and ZX=19.
To find:
The value of x.
Solution:
We know that the diagonals of an isosceles trapezoid are equal. So,


Add 3 on both sides.


Divide both sides by 8.


Therefore, the correct option is B.
Answer:
Option B.
Explanation:
Any object that was made or modified by humans, is the right answer.
An artifact is anything produced or given contour by humans, such as a weapon or an artwork, particularly an object of archaeological importance.
In the context of archaeology, however, the term has displayed a course of special distinction and is described as something obtained by archaeological effort, which can be a cultural artifact having an aesthetic concern.
Earth's mantle has kept contributing to the Earth's atmosphere through a process called degassing. During this process, gases are emitted from the magma in the mantle and are transferred into the atmosphere through tectonic procedure such as ocean ridge spreading and volcanism.