Answer:
-28
Step-by-step explanation:
6 2/3*-4 1/5=
20/3*-21/5=
4/3*-21/1=
4/1*-7/1=
-28
<span>Following BEDMAS
4[3+5(18/2-3)-12]+7^3
</span><span>= 4[3+5(18/-1)-12]+7^3
= </span>4[3+5(-18)-12]+ 343
= 4[3+(-90)-12]+ 343
= 4[3+(-90)-12]+ 343
= 4[-99]+ 343
= -396 + 343
= -53
We cant see the pictures you posted
sorry