You can square the whole problem to cancel out the square root. Might make things easier.
Answer:
x = 2.4
Step-by-step explanation:
see image for explanation.
Hope it helps
2 meters is equal to 200 centimeters
Divide 200 by 10
200/10 = 20cm
Each piece will be 20 cm long
So your answer is A
It should be |-80+15|=65 units because absolute value makes it positive.