Answer:
6.8 cubic feet
Step-by-step explanation:
7.3/4=1.825, which is the side length, 1.825*1.825=20.2575 and then ypu divide 20.2575 by 3 because it is a pyramid and that gives you 6.7525
9/4 as a fraction or 2.25 as a decimal
a. 1.75
b. 2.65
those are as a decimal
