Question

Simplify the expression.
34 + 12 ÷ 3 - (1-9)

a.)75

b.)21

c.)93

d.)39

Answer 1

order operations tells us to do whats inside grouping symbols first

Answer 2

then do exponents but here you dont have any.

Answer 3

now do multiplication and division

Answer 4

after that addition and subtraction

Answer 5

i dont qet it

Answer 6

do the multiplication or division first before the substraction or addition

Answer 7

None of your listed answers are correct.
First operation (1-9)=-8
now you have 34+12/3-(-8)
second operation -(-8)=+8
34+12/3+8
next operation 12/3=4
34+4+8=46
there is a mnemonic trick.
Please excuse my dear aunt sally
Parentheses firs, exponentiation next, multiplication or division next, addtion or subtraction last. I hope this is the answer you are looking for.