Answer:
A
Step-by-step explanation:
We can distribute
2(5)+2(-x)=10-2x
we get
8+10-2x=?
18-2x=?
whatever that ? is, we don't know
multiply both sides by -1
2x-18=-?
add 18 to both sides
2x=18-?
divide bth sides by 2
x=9-(?/2)
whatever the left side it, just divide it by 2 and subtract it from 9
Find the last angle:
180-(30+90)
180-(120)
60
Evaluate using sine rule:

=

c=

=

=20
The length of line segment AB is 20 feet (answer choice C)
Answer:
the third one
Step-by-step explanation:
iiiieeeeew edgeuinty
Answer:
d
Step-by-step explanation: