Answer:
Step-by-step explanation:
Answer:
How do we calculate the area of this quadrilateral using the coordinates of the four vertices? The answer is simple. We divide the quadrilateral in two triangles (using either of the diagonals), calculate the (positive value of) the areas of each triangle, and add these values to obtain the total area.
Step-by-step explanation:
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Answer:
8x + 8y
8 (x +y)
Step-by-step explanation:
When adding or subtracting, the terms should have exact variables like x.
3x + 5x + 8y
Here 3 and 5 have the same variable x so you can add them. (3+5=8)
8x + 8y
Now take out common number (here it's 8):
8 (x + y)
Answer:
204.24
Step-by-step explanation:
189.99 x .075 = 14.25 cents tax
189.99 + 14.25 = 204.24
