If you mean: (3x)^-1
When you have a power to a negative number (1 in this case), place the power on the numerator, with the base in the denominator.
(3x)^-1 = 1/3x
1/3x, or C) is your answer
hope this helps
A) confusión al encontrar la suma de la diferencia de precios
B ) dos
C ) 50 dividida 8, 74 dividida 12
espero que esto haya ayudado!
te agradecería que me dieras un gracias y brainliest (:
Answer:

When squaring a fraction, square both numerator AND denominator
Irrational Number
You can tell this easily because the square root of 50 isn't a perfect number.