I believe the answer would be angle O.
All you do to find this answer is rotate the 2nd figure so it matches the 1st one above it, and look to see which angles...I guess are where and which match each other.
Answer:

Step-by-step explanation:
Given


Required
Determine the average speed
This is calculated as thus:

Convert time to hour:









Answer:
12-5xy and 5r-7
Step-by-step explanation:
4 g/cm^3
D=MV
D=20g(5 cm^3)