Its B
Bscous etheres bot away that the nymber sis would go that long
Answer:
x=7.78
Step-by-step explanation:
142=10x+8x+2
Move all numbers with the same variables to each side to separate them.
142-2=10x+8x
140=18x
Divide by 18.
x= 140/18
x=7.78
Answer:

Step-by-step explanation:





For the Interval 
Length of the Curve 
Using T1-Calculator

Yes this is correct because that angle in is with the other angles to
Answer:
6
Step-by-step explanation: