If you were out the day this was distributed please complete and turn it in w hw ASAP!
1a) Simplify the following expressions:
12 + (3+7) (12+3) + 7
1b) Does the placement of the parantheses affect the value of the expression? Explain in detail.
2a) Simplify the following expressions:
(2*3) - (4/2) 2(3-4)/2
2b) Does the placement of the parantheses affect the value of the expression? Explain in detail.