Bill travels the 400 miles from san francisco to los angeles at 50 mph. sam travels the same distance at 40 mph. how many more hours than bill did it take sam to travel the 400 miles?

For the equations below which statement is true ?

What statement is true? 2x^2-9x+2=-1

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