Which of the following expressions is equivalent to m X 49? O (m ja 40) * (m +9)
O (m x 40) + (m x 9)
O (m x 4) + (m x 9)
(m x 40) +9

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

what is the original number? you forgot to add it.

the line of

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