Answer:
i cant see you file
Step-by-step explanation:
a:8
a: 8+9+9+7+8+6+9+8= 65÷8=8.125
sorry dont know b
(3a + 2)(a + 3)
Answer: 144 beats
Step-by-step explanation
40 degrees
If all triangles add up to 180°, the 180-104-36=40, so the answer is 40°
126
