The following table shows students’ number of absences, x, and the student’s final grade, y. # of absences (x): 6,2,15,9,12,5,8 Final grade (y):82,86,43,74,58,90, 78 a) Calculate r, the correlation coefficient
b) Find the equation of the regression line
c)If a student is absent 4 times, what grade does your regression line predict?

Find x & pleeeeaaaassseeee me !

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.