Answer:a
Step-by-step explanation:
Answer:
The identity property
Step-by-step explanation:
anything added to 0 is itself.
Answer:
The t-distribution is used.
Step-by-step explanation:
When we dont know the standard deviation of the population, we use the t-distribution(t-table).
Otherwise, the z-distribution(z-table) is used.
So the answer to this question is the t-distribution.
-9 degrees Celsius
because when the temp is negative it and it keeps going down, then the numbers basically get added and have a negative sign in front of it.
-3 +-2 +-4 = -9
<span>x = -2.375 Hopefully that helps :)</span>
