Joe weighted 48kg 1 year ago, this year he is 52kg. By what percentage did the boy's weight increase?

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

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