Victoria correctly determined the area of this parallelogram by adding the areas of the rectangle and triangles. How did Victoria determine the area?

225/100 of last years cost. write each fraction as a decimal and as a percent

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

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?