Answer:
1) 17.5
2)43.96
3)20
4) 15.7
5)25
Step-by-step explanation:
ohhhh yes
Answer:
Step-by-step explanation:
Ok, so i cant really awnser all the questions on that page but a very important thing to know is that it is proportinal if the layout is y=mx. the m is usually replaced with something else though. So for that first question, its proportianal. Try your best to turn those story problems into equations and then see if it matches the y = mx equation if not, its not
Answer:
C
Step-by-step explanation:
I believe that the answer may be C, btw I am not sure, I think so. so if its not right, I am sorry but, I think that C is the correct answer.
3420°
explanation:
the equation of the sum of interior angles are (n-2)x180
polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator
Answer:

Step-by-step explanation:

Make both a single fraction by adding together.



Simplify

