The volume (in cubic meters), vvv, of a rectangular room is given by the expression: v = 7b^4-28v where bbb is a positive integer and each dimension is a positive integer too. what are three unique expressions that could represent the dimensions of the room ?

electrical power

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada

1 is a answer of a question

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.