The correct answer is:
[D]: "

" .
__________________________________________________Explanation:__________________________________________________
;
Simplify the "denominator" ; → (b + 2b = 1b + 2b = 3b) ;
and rewrite:

;
Cancel out the "b" in the "numerator" to a "1" ;
and cancel the "3b" in the "denominator to a "3" ;
{since: "b ÷ b = 1 "; and since: "3b ÷ b = 3" } ;
and rewrite as:
____________________________________________________ 
;
____________________________________________________ → which is:
Answer choice: [D]: "
" .
____________________________________________________
move the decimal point two places to the right and the answer would be 56.4%
2 + (3 - 9) / -3 * 4
1st is subtraction...u have to do what is in the parenthesis first
2 + (- 6) / -3 * 4
2nd is division
2 + 2 * 4
3rd is multiplication
2 + 8
4th is addition
10 <== ur solution
Answer: 45 90 135 215 315
1 2 3 5 7
Step-by-step explanation: not sure about the last one.