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What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.