Essentially, the rule goes as so: odd + odd = even, even + even = even.
Although that may not be the answer you're looking for, it is a math rule that is never debunked and essentially the premises for why you get an even sum practically always depending on the numbers.
Hope this helps!
Joanna would have spent $8.94 on apples at the farmers market.
What is the volume of the composite figure? (Use for .) Do NOT round your answer
answer- 2388.16
in- 3