Vertical angles equal eachother
set angle 4 and angle 8 equal to eachother
3x=x+40
-x both sides
2x=40
÷2 both sides
x=20
solve for angle 4
3 (20)
60 B
Answer: Isolate the variable by dividing each side by factors that don't contain the variable.
k = −1
400
because you need to divide 36/0.09=400
Answer:
$395
Step-by-step explanation:
