Jessica is playing a game. She has 50 tens. Her brother has 9 hundreds. How much more does her brother have?

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?

If jklm is a trapezoid, which statements must be true?

Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression