Where’s the ratios that we can select? can you provide?
Answer:
tws
Step-by-step explanation:
It is B. simple random sample
Answer:
The answer is -2.
Step-by-step explanation:
The answer is -2 because the question is asking what -1/3 minus 1 2/3. Let's put this as an improper fraction. You will have -1/3 minus 5/3. When you subtract it, you get -6/3 which is the same as -2. I hope this helps!
Answer:

Step-by-step explanation:
When simplifying
we have to take notice of the square and what it means.
When squaring a number it means multiplying the same number twice for example
is 2*2 which is 4.
This is the same for
we multiply
twice.
So
is
. The 1 stays the same because 1*1 is just one where are x*x is
.
So the answer is 