Find the measure of the third angle of a triangle if the measures of the other two angles are given.
109.7 and 47.1

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

State if the two triangles are congruent. if they are, state how you know?

What is always true when two whole numbers are subtracted?