Answer:
Line UM.
Step-by-step explanation: you can name a line by naming at least two points on it.
2 1/2 because 50-20 leaves you with 30 so you have one. Than 30-20 leaves you with 10. Now you have two. There isn't another 20 but 10 is half of twenty so that gives you a half so it is 2 1/2
Answer:

Step-by-step explanation:
Given that,
Perpendicular = 49 ft
Base = 22 ft
We need to find the angle of elevation of the sun. It can be calculated using trigonometry as follows :

So, the required angle of elevation is
.
Answer:
X= 12
Y=-3
Step-by-step explanation:
An = a1 + (n - 1)d, n=1000, a1=24, d=38-31=7 substitute
a(1000) = 24 + (1000 - 1)*7=24+999*7=7017