Arectangle with an area of 12cm^2 has a length that is 4 times the width. what is the width? (round your answer to the nearest tenth.)

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

What numbers are included in the set of integers? what numbers are not included?

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