Answer:
x = -16
Step-by-step explanation:

Hope this helps!
Step-by-step explanation:
360 - 126 =234
234 ÷3x
x = 78
Answer:
Step-by-step explanation:
let each angle=A
A+A+A=180
3A=180
A=180/3=60°
as the angles are equal so sides are equal.
16+y=46
y=46-16=30
applying sine formula

z+x=60
40+x=60
x=60-40=20°
Answer:
8% of of the Us states have the names that start with W.
Step-by-step explanation:
We are told that, of the 50 states, 4 have names that start with letter W, and to figure out what percentage of U.S. states have names that start with the letter W, we need to know what what 4 is what percent of 50.
We figure this out the following way:
Percent = 
Percent = 8%