Answer:
of what?
Step-by-step explanation:
The answer to this is step 2 because they multiplied when they should of subtracted the 10 and the 12.
Answer:
13 degrees warmer
Step-by-step explanation:
Answer:
28
Step-by-step explanation:
Let n = 21, and evaluate the expression.






The second one because domain refers to x, and since at (-3,-4) the point is hollow, the sign should be < without the line under it