Emily looks at a picture. A car in this picture is 30cm long. the scale of the drawing is 1:14

Step-by-step explanation:

30 cm:

1: 14

so 1*14 = 14

so 30*14=420

so if you are trying to figure out how long it is in real life it's supposed to be 420 something.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b