Janelle expanded the expression as shown below. Mr023-1. Jpg what errors did she make? select three options. The first term should be positive. The second term should be positive. She did not distribute the mr023-2. Jpg properly. She added mr023-3. Jpg to mr023-4. Jpg instead of multiplying mr023-5. Jpg by mr023-6. Jpg. She did not simplify the expression completely.

Everyone is a meme haha

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.