Can someone please help me with math.

What is the probability of rolling a single die greater than 4

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

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6