Simplify the following equation below. Any wrong answers or troll answers will be reported. Correct answers will receive a crown. Thanks in advance!

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

What are the soultion(s) to the quadratic equation 40- x^2=0

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