Simplify the expression and show working -2(x+y)-5y + 7-2x+12​

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

Asphere has a diameter of 10 in. what is the volume of the sphere?

Find the nonpermissible replacement for binthis expression. b2/5b +5