What single decimal multiplier would you use to decrease by 14% followed by a 9% decrease?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Precalculus question, image attached.

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle