Use the information to answer the following questions. The angle measures of a triangle are shown.
Angle A: (5x – 5) degrees
Angle B: (3x + 3) degrees
Angle C: (5x) degrees

Part A: Which of the following expressions represents the sum of the angle measures?

A. 8x + 3
B. 13x – 5
C. 13x – 2
D. 8x – 2

Part B: The sum of the measures of the three angles is equal to 180°. What is the measure of Angle B?

A. 70⁰
B. 14⁰
C. 45⁰
D. 65⁰