Plz of the 12,000 votes cast in an election, 42% of the votes were for mr. jones. how many votes were cast for all the other candidates?

What situation is an example of an observational study

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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