7x7(12+9) to the power of 3
Answer:
Step-by-step explanation:

Im pretty sure the answer is D, because if i used the right formula,

you should get this in the formula


a 2 subtracting a negative 6 makes it a positive, meaning your just adding 6 plus2, to get 8
Answer:
hints to solve each. partial answer due to lack of time, hope it helps!
Step-by-step explanation:
1)
a) solve ():
5
+ 7
- 9
- 6
+ 12
- 10
=
. (5 +7-9-6+12-10)
b) use
= 

c) use
= 
= 2
use
= 
= 2
2)
a) use
= 

use
= 
= 2