Determine if the triangles are congruent. If so, state the postulate or theorem. If not, state none.

Combine like terms to make a simpler expression 3z+z

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o