I linked an attachment to it. PLs help me

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

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

What is the solution of sqrt x+2-15=-3