Is x2+8x+16 a perfect square trinomial? why or why not​

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

F(x)=5/6x+3 which of the following is true

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?