Answer:
Are u a door, because u left me on open..
Step-by-step explanation:
Answer:
take care everyone be safe
stay home , stay safe
take vaccination
Answer:
19) (
)^2 = 
20) -
= -81
21)
= 16
Step-by-step explanation:
The only wrong ones are
19) (
)^2 = 
20) -
= -81 ... negative is not inside a parenthesis that's why it is still negative
21) you can add another way is
= 16
Everything else looks good. Great job!
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
.