the park and recreation department wants to add some sidewalks to the park. the fountain F is located at the parks centroid and is 135 feet from entrance B. how many feet of sidewalk are needed to connect the fountaon tovthe snack cart

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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?