-6x is the correct answer
The first one is your answer because if you plug into the cal it shows the x and y table and it shows that the first one is correct.
Answer:

Step-by-step explanation:

Acute: anything less than 90 but greater than 0
so, m<CAD
right: angles at exactly 90 degrees, so m<AEC,
and obtuse angles are anything greater than 90 but less than 180 degrees,
so CDA (you can tell by the picture that it is bigger than 90- 90 degrees is exactly perpendicular)
Answer:
the answer is 267.9 cubic inches
Step-by-step explanation: