Here is the histogram of a data distribution. all class widths are 1. 2 3 4 5 6 7 8 9 which of the following numbers is closest to the mean of this distribution?

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees