14) In the accompanying diagram, B is the midpoint of AC, triangle ADC is inscribed in circle O, chord AC and BD intersect at E, PR is a tangent to circle 0 at D, PAB is a secant, and mBA mAD mDC - 2:3:5. Find the following:
a) Arc AD
b) Arc BC
c) M angle ADC
d) M angle AEB
e) M angle P