USING PARALLEL LINES. Explain your reasoning. I need help I don’t understand please and thank you

9/10 divide by -3/15 as a mixed number

Do,h = (7, 9) (14, 18) the scale factor is

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.]