Question

Brainliest HELP..

Answer 1

Answer:

Step-by-step explanation:

$ratio=4:1\\(\frac{mx_{2}+nx_{1}}{m+n},\frac{my_{2}+ny_{1}}{m+n})\\\\(\frac{4*13+1*3}{4+1},\frac{4*-15+1*-5}{4+1})\\\\(\frac{52+3}{5},\frac{-60-5}{5})\\\\(\frac{55}{5},\frac{-65}{5})\\\\=(11,-13)$