Answer:
Your answer is D.
Step-by-step explanation:
If you need explanation ask me in comment
Sorry this is really sloppy but hope this helps!
Answer:
He is 13 years old
Step-by-step explanation:
32-45=-13
the opposite of -13 is positive 13
Dependent variable is the variable that changes due to the independent variable, independent variable is the variable that scientists change on purpose.
Really any option.
Explanation: A triangle can be obtuse of acute, either of these answers will make one of those.