Juan builds a square dog pen that has an area of 100 square feet. He then builds a second pen that has an area of 49 square feet. Which is the closest to the percent of the decrease in the area of the pen? * IT IS NOT 221

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

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

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.