Acircle has a radius of 63 what is the arc length intercepted by a central angle that measures 2pi/9 radians

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 slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece