Suppose an object is dropped from the top of a building into a pool of water at ground level. There is a splash 6.8 seconds after the object is dropped. How high is the building in feet?​

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )

The slope of the line passing through the points (2, 7) and (-4, 8) is