Below are the steps to solve an equation:

step 1: |x − 2| + 3 = 7
step 2: |x − 2| = 7 − 3
step 3: |x − 2| = 4

which of the following is a correct next step to solve the equation?
x + 2 = −4 −x − 2 = 4 x + 2 = 4 x − 2 = −4

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units