Final exams anna, a language major, took final exams
in both french and spanish and scored 83 on each. her
roommate megan, also taking both courses, scored 77 on
the french exam and 95 on the spanish exam. overall,
student scores on the french exam had a mean of 81 and a standard deviation of 5 spanish scores had the mean of 74 and the standard deviation of 15

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

21

step-by-step explanation:

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.

answer: what are the following choices