Answer: x = -12 is the correct answer
Step-by-step explanation: the moderator that deleted this if is so wrong then just tell me why is wrong if you are so smart.
Answer:
02 High Schools would be selected from the stratum with a percent-free-lunch value of 40 less than or equals x.
Step-by-step explanation:
As the sample size needed is 25 and total schools are 100 so this indicate 1 school in each 4 schools is to be selected. This is given as

Now as the schools with percent free lunch are 8 so now

So only 2 schools will be selected in this regard.
You can only add/subtract LIKE TERMS ( the exact same variable part )
Think of adding apples and oranges ...
8g-4g + 9h-5h I grouped them like this so you can see the LIKE TERMS.
= 4g + 4h
Get it?
Answer:
Beacuse it is negative AND positve carges combined together.
Step-by-step explanation:
Answer:
i believe its 10 plz tell me if im wrong
Step-by-step explanation: