The two numbers used in the equation are 70+3. :D
The value of 5 is 10 because it is in the tens place. If you draw a place value chart it shows that 5 is in the tens place. You could also draw it with 5 blocks with ten cubes.
Happy studying ^_^
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Answer:
d. COB
Step-by-step explanation:
Complementary angles are angles which add to 90 or form right angles.
COB complements COD.
