**The missing image is attached below**
The correct answer is: 400 ft^3
Explanation:The volume of the square pyramid =

Where a = base = 10 ft
h =

Plug in the values in the equation:
The volume of the square pyramid =

=
400 ft^3
The total length is 456 cm.
132+94+108+w+w=456
334+2w=456
2w=122
w=61
14.3 years
About 14 years and 4 months
Since it is doubling, it must increase by 100%.
100 divided by 7 = 14.28
Answer:
1st one is not proportional
2nd one is: y is 5/6 times x
Hope this helps:)