A rock dropped off a bridge takes 5 seconds to hit the water. Which of the following best represents the rock's speed just before impact? 50 m/s

5 m/s

125 m/s

2 m/s

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit