Answer:
D I think
Step-by-step explanation:
Answer:
He is B) 45 years old
Step-by-step explanation:
If he was 30 when she was born, he was 40 when she was 10, and he was 45 when she was 15.
15 x 3 = 45
Edit: It can actually be any of them....
Answer:
140°
Step-by-step explanation:
1. full the circle is 360°;
2. YZ+XY=360-80; ⇔ YZ+XY=280;
3. if YZ=XY, then YZ=XY=280/2=140, ⇒ YOZ=140°
Answer:
First one, second one, fourth one, and last one
Step-by-step explanation: