Respuesta :

remember PEMDAS

parenthasis ... exponents... multiply...divide...add...subtract

A.)2xX is 2x12 so

2x12+3=27

b.)4x5 s 20 -1 is 19

c.)7x2 is 14 and 15-14 is 1

d.)6-1 is 5 3x5 is 15

ANSWERS

A.)27

B.)19

C.)1

D.)15

Ta-da!

hope this helps