Two blocks of metal each have a volume of 8 m3. One has a density of 680 kg/m3, and the other has a density of 840 kg/m3. What is the difference in mass between the two blocks in kg?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Need asap. solve for the following inequality