How do i solve n^2-5n-14=0 by factoring

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

If 25% of y is 30, what is 60% of y?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account