A flat surface of a three-dimensional figure is a:

A: edge

B: vertex

C: point

D: face

Face

Step-by-step explanation:

Face is the correct answer.

CUBE is a three dimensional figure, so it's flat surface is called as FACE

the ratio of white tiles to blue tiles is 48: 16. the ratio in it's simplest form is 3: 1.

step-by-step explanation:

ratio: take the first number and add a colon next to it, then add the second number after that. make sure the ratio order matches up with the written problem!

simplest form: we can simplify the ratio 48 : 16 by dividing both terms by the greatest common factor (gcf).

the gcf of 48 and 16 is 16.

divide both terms by 16:

48 ÷ 16 = 3

16 ÷ 16 = 1

reducing to simplest form:

48 : 16 = 3 : 1

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3