Which of these is equal to (_1)2021 ?

a)-2021 b)-1 c) 1 d) 2021

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

Find the value of x for which line a is parallel to line b

Solve the formula ax+ by = c for x.