Complete the equation of the line whose y-intercept is (0,6) and slope is 3

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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