Dennis can unload a work van in 15 minutes. Leticia can unload the same van in 10 minutes. How many minutes would it take Dennis and Leticia to unload the work van together

Which of the following shows the length of the third side, in inches, of the triangle below

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)