A rectangular fish tank measuring 12 inches long, by 15 inches wide and 18 inches high is filled with water. ONE FIFTH of the water SPILLS out, how many cubic inches are LEFT IN the tank?

I couldn't post it in here so I had to put it in a file hosting.

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Hope this helps!

there a lot dtill left trust

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.