What are two equivalent fractions to 3/8

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

27 is what percent of 108? 27 is % of 108

The sum of two numbers is 12 and their difference is 18 what are the two numbers