Answer:
All except the second one (angle g is not similar to angle r)
Step-by-step explanation:
Just look at the order of the letters. It it's the same, its similar.
So I looked it up and it says something about 8 hours
X = unknown number
10x - 16 = 2x
Subtract 10x from both sides to isolate the variable on the right side of the equation.
-16 = -8x
Divide both sides by -8 to get x alone.
2 = x
How much we talking like 20 dollars or something
(3^6 / 3^5)^2 = (3^(6 - 5))^2 = (3^1)^2 = 3^2 = 9