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stoecki stoecki
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6 years ago
The highest point at at oil drilling operation is the top of the 23-metre-high oil drilling rig. The lowest point the drill head has reached so far is -68 metres. How far above the drill head is the top of the oil drilling rig?
A) -91 m
B) -68 m
C) 45 m
D) 91 m
Textbook 
Stepping It Up: Foundations for Success in Math, Canadian Edition

Stepping It Up: Foundations for Success in Math, Canadian Edition


Edition: 1st
Authors:
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