math
posted by heaven .
an oceangraphic research vessel comes across a volcano under the sea. The top of the volcano is 450 ft below the surface and the sea floor is 6,700 below sea level. what is the height of the volcano? show what you are doing to get your answer, explain.

Put the numbers on the number line:
 6700  450  0 
^ ^ ^
floor v.top sealev
How far from 6700 to 450?
450  (6700) = 450 + 6700 = 6250