Answer:

Step-by-step explanation:
ΔPQS, ΔRQP and ΔRPS are similar (AA). Therefore the sides are in proportion:

We have:

Substitute:
<em>cross multiply</em>

Use the Pythagorean theorem:

Substitute:

The simplified version of the expression is this: 5(x² + 9) ÷ x.
The answer is B.
This is because <span>any angle formed by two chords is equal to half the sum of intercepted arcs.</span>
Step-by-step explanation:
a perpendicular slope is the negative reciprocal
so the perpendicular slope is -5/4