Answer:
5/12
Step-by-step explanation:
tanZ = XY/YZ = 15/36 = 5/12
I think the answer C x=42 y=30, correct me if i'm wrong
20x
5x * 4 = 20x
55 minutes
120-10=110
110/2=55
7x+90+20=180
7x+110=180
7x=180-110
7x=70
7x/7 = 70/7
X=10
Y=40