X ÷ 5 if x = 5 is 1
five to the power of one is 5
any number ÷ by 0 is 0
yes
invalid question
Your answer is the matrix with the top row of -8 20 0 and bottom row of
4 32 -4
If we want rice per person, that's

1a. Answer: 25/3
That's between 24/3 and 27/3 i.e. between
1b. Answer: 8 and 9

make denomenators the same
we have
x+4 and 3
times the fraction with x+4 in denomenator with the fraction 3/3
times the fraction with 3 in denomenator with the fraction x+4
we get

since common denoms, can add them to get


that is simplified
it is in the thousands place