what is the linear correlation coefficient r and equation?

Calculate the linear correlation coefficient r and Age in Percent Fat of Body Weight Years regression equation. 23 9.5 23 27.9 O A. r= -0.8104. The regression equation is y = 3.14254 - 0.54998x. 24 7.7 O B. r = 0.6567. The regression equation is y = 0.54799 + 3.22086x. 27 17.8 O C. r=-0.6567. The regression equation is y = 13,57618 - 1.14491x 39 31.4 O D. r= 0.8104. The regression equation is y = 3.14254 + 0.54998x. 42 25.9 45 27.1 49 25.2 ..... 50 31.1 53 34.7 54 42.0 54 29.1 56 32.5 57 30.3 58 33.0 58 33.8 60 41.1 61 34.6