11.3x + 7.2 = 86.3 a) 0.7 b) 7 c) 8 d 8.3

Anyone know? will mark brainliest if you're correct!

Joanie watched 1 out of three of a movie in the morning

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?