Jackson's age was 2/5 of the age he will be 20 years from now 7 years ago. how old is jackson now

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

Write the fraction or mixed number and the decimal shown by the model

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25