Answer:
either 21 or 39 ion know this is confusing
Step-by-step explanation:
Answer:
It would be B!
Step-by-step explanation:
D has an obtuse angle, so it can be eliminated.
C has angles that are not vertical, but rather adjacent. Same goes for A!
Hope this helps!
Answer:
-2x^2-6x-15
Step-by-step explanation:
Answer:
refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.
