Answer:
b
Step-by-step explanation:
40 (x-2y+z) ……………………………….
Answer:
z is an unknown number it sometimes stands for 149
Step-by-step explanation:
The answer is 3x+2 over (x+2) (x-2)
Answer:
x = 109°
Step-by-step explanation:
x° is 37° + 72°, due to exterior angle property.
so x° = 109°