EMERGENCY! Please give me the correct answer!

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.