Given L (-4,3) and M(-7,-2) what is the length of LM

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

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?