Substances called fuels have the property of flammability. they include fossil fuels such as coal, natural gas, and petroleum. for example, gasoline is used in our cars because it is flammable. this property enables car engines to run. substances made of wood, such as paper and cardboard, are also flammable. question 2 options: true false

This is correct.

Step-by-step explanation:

Wood items such as paper and cardboard are flammable.

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on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: