Divide.
5 x 10^3
5 x 10^1

Factor this polynomial completely x^2-64

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

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'