There is no equation visible: just an expression.
Tinsile strength
(10+9)x70
Propety abuse???
This is the chemical reactivity.
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Capillary action.
Identity propety of multiplication
It is the identity property of 1.
no the cost of gasoline is not a chemical propety of gasoline. That is constantly changing.
to safe guard school propety and abjure violence
The distributive property is not used in evaluating 49 + 9.
Physical propety is a characteristic of a substance that can be determined without changing the composition of that substance.