Answer:
The answer is 13 1/8ft3
Explanation:
Substitute into the formula:
Volume = 3 1/2 x 2 1/2 x 1 1/2
= 7/2 x 5/2 x 3/2
= 105/8
= 13 1/8 ft3
Answer:

Step-by-step explanation:
using the rule of exponents
•
= 
= 
Answer: V = 311.0
Step-by-step explanation:
Formula: 


V = 311.02
V = 311.0
8x-10=3x+90. 8x-3x=90-10. 5x=80. x=16. So angle B is 3*16+90=138° :)