Answer:
10
Step-by-step explanation:
2n-6
n=8
2(8)-6
16-6
10
Answer:
see attached
angles: 39.8°, 68.2°; side: 8
Step-by-step explanation:
The triangle and its measurements are shown in the attachment.
_____
If you do this with pencil and paper and protractor, likely your angle measurements will only be to the nearest degree.
Answer: B. 140 cubic inches.
Step-by-step explanation:
The question is asking you to find the volume of the rectangular prism.
You can find this by using this formula:

Where w is the width, h is the height, and l is the length.
Substitute the sides of the rectangular prism into the equation:

The volume of the prism is 140 cubic inches.
The correct answer is B.