Answer:
20
Step-by-step explanation:
hello just grinding
Answer: C. 42
Step-by-step explanation:
(3x + 3) is the same angle as 129.
So, you have to equal them to each other.
3x + 3 = 129
Now you solve.
Subtract 3 from each sides.
3x = 126
Divide 3 from each side.
x=42
Answer:
1st one, I think so. I'm pretty positive
Use 340 as an estimate for 339.
339+214 is approximately 340+200 = 540
Answer:
The second one, these pairs go (x,y)
Step-by-step explanation: