Write each of the following expressions without using absolute value. |z−7|−|z−9|, if z< 7

Using the definition of the absolute value function, it is found that the expression for z < 7 is:

The definition of the absolute value function is:

Then, for |z - 7|.

Then:

For |z - 9|.

Then:

Working with z < 7, we have that:

Then:

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the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: