Together, tran and luis take 6 hours to deliver newspapers. if tran works alone, it takes him 9 hours. how long would it take luis, working alone, to deliver all the newspapers? options: 12 hours 15 hours 18 hours 16 hours

What is the simplified form of x + 8/3x + 7 + x +7/x+4

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]