If you travel 450 meters in 40 seconds, what is your average speed in meters per second?
A.)18000
B.)450
C.)40
D.)11.25

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.

Which is the most accurate name for the ionic compound cas?