Harley is riding her bicycle 8.64 miles from her house to work. If she rides at a speed of 12 miles per hour, how long will it take Harley to arrive at work?

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?

Nikolas calculated the volume of the prism. his work is shown below.

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?