The coordinates of a point on a coordinate grid are (−3, 7). the point is reflected across the x-axis to obtain a new point. the coordinates of the reflected point are (−3, −7) (3, −7) (−3, 7) (3, 7) plz asap i'll give brainleist

what are the things "represented below"?

step-by-step explanation:

nobody can if you dont give the choices

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.