Answer:
110 yd cubed
Step-by-step explanation:
The volume of a triangular pyramid is denoted by:
, where B is the base area and h is the height. We already know here that B = 22 and h = 15, so we can just plug in these values:

Thus, the volume is 110 yards cubed.
Hope this helps!
Answer:
w = 23
Step-by-step explanation:
a = l × w
The area and length are given, so you can substitute them in.
1357 = 59 × w
Solve for w:
w = 
w = 23
Answer:
4659553.9
I got 4659553.9 using the formula Sn = a1 (1 - r^n) / 1 - r
(35 fits into n)