I don't really know what the question was, but I am guessing that it is 20% times 45. The answer I got was 9. I hope this helps, sorry if not. c;
Answer:
The volume of the pyramid is 
Step-by-step explanation:
we know that
The volume of the pyramid is equal to

where
B is the area of the base
H is the height of the pyramid
<em>Find the area of the base B</em>
In this problem we have a square base

we have

substitute

Convert to mixed number

Yes it is add a zero to it as the tenth powers increases
Answer:
so she'll have a weekly allowance of 10$
Step-by-step explanation:
12-7=5 then 5×2 =10