Write an equation of the line in slope-intercept form:

1) the line passing through (0,1) and (-4,5)

2) the line with slope -2.5 and passing through (2,1.5)

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