I will give brainliest so please explain in detail(s) (Also I wasn't able to add question 6 where it asks to show work for question 5 so...yeah pls show your work for #5)

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

Complete the equation of the live through (-1,6) (7,-2)

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo