Astudent solving for the acceleration of an object has applied appropriate physics principles and obtained the expression a=a1+fm where a1=3.00 m/s^2, f=12.0kg. m/s^2 and m=7.00kg. (a) first, which of the following is the correct step for obtaining a common denominator for the two fractions in the expression in solving for a? finding acceleration.

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Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

Both independent and dependent clauses