The lines mean that the number is going to become positive. |-178| will become positive meaning it will become= |178|
We can get the circumference of any circle in terms of the radius with this formula. C = 2

r.
Where r is the radius of the circle.
And we will use 3.14 for

.
Plug in all the values.
C = 2 * 3.14 * 2
C = 12.56
So, the circumference of the circle is 12.6 inches when rounded to the nearest tenth.
Answer:
2k
Step-by-step explanation:
3k and -k are both like terms, so you can combine them. Adding opposite signs works in the same way as subtraction, so you can rewrite the expression as 3k-k, which is 2k.
Question four should be -7, question five should be 99, and question six should be 56.
Answer:
1/4
Step-by-step explanation:
6-3/19-7 =3/12 =1/4