18 $ Hope I helped
This is how I came to the result..
119-11= 108
108 : 6 = 18 $
Answer: a = 8
Step-by-step explanation:
Volume of a square based pyramid is given as
.
where a is the length of the side and h is the height.
Substituting into the formula , we have
V = 
128 =
/3
384=
X 6
Divide through by 6
384/6 = 
64 = 
Therefore :
a = 
a = 8
You'd move the decimal to the right twice so 0.0514 as a percentage is <span>5.14%</span>
$45+$18+$26-$21-$93
45+18=63
63+18=81
81+26=107
107-21=86
86-93=-7