3z - 7 = 14 |add 7 to both sides
3z = 21 |divide both sides by 3
z = 7
Answer:ok
Step-by-step explanation:
ok
Answer:
The last set cannot be the angles of a triangle
Step-by-step explanation: 61+61+59= 181. The angles of a triangle must always total 180°
All the other combinations meet that requirement.