Ineed to know which two of these four equations are perpendicular? ?

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

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air