What is the quotient of 3.91 x 10 7 and 2.3 x 10 2 expressed in scientific notation?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

Which linear inequality is represented by the graph?