Mark had three bags of jelly beans if he ate 1/5 of a bag each day how long would his jelly bean supply last

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

What is the solution set of the quadratic inequality x^2-5< or equal to 0

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?