30 percentage decrease, if you need me to explain I’ll be glad to help
D. 150° should be the answer because if the upper angle of A is 33 and B is 117 they should be added to have the answer to the angle
Answer:

Step-by-step explanation:
Since ED is parallel to CA, the two triangles in the figure share all 3 angles and therefore must be similar. By definition, the corresponding sides of similar polygons are in a constant proportion.
Therefore, we have:

Answer:
21+3x
Step-by-step explanation:
The answer is 576ft squared