4x - 13 = 2x + 9
Add 13 to each side
4x = 2x + 22
Subtract 2x from both sides
2x = 22
Divide both sides by 2
x = 11
Answer:
5
Step-by-step explanation:
Using pythagoras theorem
I really think the answer is C
Answer: 100
Step-by-step explanation: 100 divided by 27= 0.27, 23.49x0.27= 6.34.