$3/min multiplied by blank equals to blank dollars/ 1 hour. , i need the answer!

Pls! does anybody know a shortcut for answering these types of questions in the future?

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

Describe the relationship between the angles of similar triangles and the sides of similar triangles