Xavier exercises by riding his bike. during his first week of training, he rides a total of 15 miles. each week he increases the number of miles biked by 0.4 miles. how many total weeks will it take xavier to first bike more than 500 miles total? a.8 b.15 c.19 d.26

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c, with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

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?