Answer:
t = 137-w
Step-by-step explanation:
Slope AB = 1/3
slope CD = -3
Im not sure about the last part but I think the product of slope AB and slope CD is -1 so line AB is perpendicular to line CD.
the workings are below:)
(so sorry if it’s wrong)
Answer:
Step-by-step explanation:
In similar triangles corresponding triangles are in same ratio.

Cross multiply,
15 * y = 12 * 5
y = 
y = 4
Answer:
1/4
Step-by-step explanation:
(2-1)/(9-5)
1/4