Can someone help me with this

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

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.