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

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?

What does every magnet possess? a. iron metal b.strong magnetic field c.repulsion d.north and south poles