Mr Garcia's yard is 22 feet by 31 feet. If he wanted to put a fence around his yard how many feet of fence would he need?

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

Ineed to know the answer right now! !

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10