Ben is setting up a freshwater aquarium. He purchased three Platies for $3.25 each, three Guppies for $3.75 each, four
Sword Tails for $5.75 each, and four Danios for $2.25 each.

What is the range of the data below? .8090100

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

X+y=-4 x-y=2 use elimination with adding and subtraction