I think you'd use the pythagoran theorem for this (a squared + b squared = c squared). So 30 squared plus 22 squared equals the diagonal measure squared. This is 900 + 484 = c squared. That's 1384. The square root of that is 37.
Considering the vertex of the graph, it is found that the quadratic function that is the best model for the data is given by:

<h3>What is the equation of a quadratic function given it’s vertex?</h3>
The equation of a quadratic function, of vertex (h,k), is given by:

In which a is the leading coefficient.
Researching the problem on the internet, it is found that the vertex is at point (4,800), hence h = 4 and k = 800.

It has a value of y = 0 at x = 6, hence:


Thus, the model is:

More can be learned about quadratic functions at brainly.com/question/24737967
78=.26x
divide both side by .26
and it will equal 300
when you calculate it it will be 3 but put 300
The interquartile range is 4
IT SHOULD BE 24 IF NOT IM SRRY