An engineer is building a model of a vehicle, using a 43 : 2 scale. The actual dimensions of the vehicle are given in the table.
Dimension
Measurement
Length
192 inches
Width
72 inches
Height
58 inches

25 inches - 0.694 yards

What the heck i didn’t know

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.