Bro I’m rly sorry but I don’t know the answer to this
Sum of interior angles of a triangle = 180°
x+40+30= 180°
x+ 70=180
x= 180-70
x= 110°
Answer: The degree of 15y+v4-8 is 1
Step-by-step explanation: Hope this helps in your studies!
Answer:
C) 
Step-by-step explanation:

Group the similar terms together:

Add/subtract the "c" variables:

Add/subtract the "d" variables:

It would take 8 months for the project to complete