I can prove by being smart then that if you tell me all the ansers
Answer:
b = 60
Step-by-step explanation:
The sum of the angles of a triangle are 180
80+40+b = 180
Combine like terms
120+b =180
Subtract 120 from each side
b = 180-120
b = 60
The answer is 56 cookies because i did math in my head
The answer is 6(x^2 -1) I have provided a picture with my work and the answer
Answer: neather do i add picture
Step-by-step explanation: