Respuesta :

Answer:

Bidmas.

B =brackets

I= indices

D=division

M=multiplication

A=addition

S=subtraction.

The 19-4 is in brackets so this comes first. The answer is the top one..

In America it is pemdas
P- parenthesis
E-exponent
M-multiply
D-divide
A-add
S-subtract
So A) 19-4 would be first!