Answer:
Perimeter=48.497
Volume=997.661
Step-by-step explanation:
Perimeter:

Volume:

Hightest exponent is 3
cubic
C is answer
Answer:
87.5%
Step-by-step explanation:
1.
1/4 is less then 2/4 or 1/2so if the denominator is equal it will be easier to multiply
Answer:
30/343
Step-by-step explanation:
to find the volume of a rectangle you multiply all three fraction
5/7*3/7*2/7
5/7*3/7=15/49
15/49*2/7=30/343
30/343