Why can the answer NOT be x - 9 +/- square root 159 /20 ? I got that answer because the exponent would be negative. . . -9^2 is -81, so then I added 240 (got that from multiplying 4ac), and I got 159. Why am I wrong? (Check the image below!) Thanks for any help.

answer: c. is your answer

step-by-step explanation: get me a black leather coat

answer: i could not see part the question so ill explain how to get the answer

step-by-step explanation: for instance the distance she travele d is 10 and she traveled the same amout each mile so do 10 divided by how many miles she drove each time and you ge your answer.