Carol has a 24 cm x 36 cm photo that she scales down to of its original dimensions. what are the dimensions of the new photo? a. 18 cm x 27 cm c. 27 cm x 18 cm b. 20 cm x 34 cm d. 34 cm x 20 cm

24/36 is .66
a. gives the proper ratio

The percent increase is 25%

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.