Answer:
-8
Step-by-step explanation:
Both the numbers are negative so you add them together and keep the negative sign
2/9 is an irrational number because it is not a real number
If you divide it becomes a repeating decimal which is not rational
Answer:
Step-by-step explanation:
B
Answer:
Mary removed the dollar sign from (X.)
We know this because $4.00x$5.00=$20.00 so that’s correct and we know that $12.50x $4.00=$50.00. So, our only error here is that there is no dollar sign in our (X) numbers. So that is Mary’s mistake. We can correct it by simply adding a dollar sign to 20 to make $20.00 and adding another dollar sign to 50 to make $50.00
Step-by-step explanation:
hope this helps
