The first answer is ''Linear pair postulate''
The second answer is ''Definition of suplementary''
The third answer is ''m∡ACB+45=180''
The fourth answer is ''Subtraction Property of Equality''
The fifth answer is ''∡ACB is obtuse''
The sixth answer is ''Definition of obtuse triangle''
Good luck!!!
80 is correct.
-440+360 = 80
1520.53
Step-by-step explanation:
V = pi * r^2 * h
the radius is half of the diameter and 11/2 = 5.5
V = pi * 5.5^2 * 16
V = 1520.53
N + 7 means that he is adding 7 songs to the MP3 player
n-2 would mean he deleted two songs
4n means he has four times the amount of songs
and n/2 means he deleted 1/2 of them
I want to say 66 also because they are the same but I may be wrong
