Uma makes a scale drawing of a patio. The drawing below shows the two scales she used to plan two patios of different sizes. the first picture

Scale 1: 1 centimeter = 3 meters. Scale 2: 1 centimeters = 4 meters. Triangle A B C. Side A is 9 centimeters, side B is 12 centimeters, and side C is 15 centimeters.
Which shows the correct lengths of side C in both scales?
options
Scale 1: 45 m; Scale 2: 60 m
Scale 1: 60 m; Scale 2: 45 m
Scale 1: 36 m; Scale 2: 27 m
Scale 1: 27 m; Scale 2: 36 m
question 2
Which is the scale factor proportion for the reduction shown?
picture below
answer options
A original height/original base=reduction height /reduction base

B original height/reduction base=reduction height/original base

c original hight/original base = reduction/reduction height

d original height/reduction base = original base/reduction base
question 3

A rectangle with a length of 11 inches and width 7 inches.
She decides to change the length, the longer side of the pool, from 22 ft to 27.5 ft. What expression finds the change in the scale factor?
picture below