3) In the Pacific Ocean, a seal was swimming 110 feet below sea level. As he was searching for food, he dove down another 48 feet. What was the seal's final elevation relative to sea level?
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110 €

158 feet below sea level

Step-by-step explanation:

110 + 48 = 158

So 158 was the seal's final depth below sea level

ok

step-by-step explanation:

- "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."