What property is being illustrated in the statement: (12 +23) +37= (37 +23) + 12 ? A. closure

B. commutative

C. associative

D. distributive

The symbol written on top of the number to show that it is the repetend?
a. slash

b. hyphen

c. dash

d. vinculum

Find the sum of (+8) + (-12) + (+3) +(-4).
a. +27

b. -27

c. +5

d.-5