Respuesta :
Expression 1 step-by-step:
(9 + 23) / (-3 + 5) =
32 / (-3 + 5) =
32 / 2 =
16
Expression 2 step-by-step:
(13 + 27) / (15 - 5) =
40 / (15 - 5) =
40 / 10 =
4
Hope it helped,
BioTeacher101
(If you have any questions, feel free to ask them in the comments)(