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Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

Urgent need asap △abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two