Answer:
27) 14x
28) n/9
29) A number, z, divided by 11
30) The sum of a number, z, and 11
−n−4−−4n+6
=−n+−4+4n+6
Combine Like Terms:
=(−n+4n)+(−4+6)
=3n+2
ANSWER: angle <1 = 140°
