the number of students enrolled in a new course as a function of time can be represented by the function shown on the graph what is the average rate of change in the number of students enrolled between 1 and 2?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression