Describe a situation that the question could represent.

I think its saying 9+3= 12/6 = 15 so that it a improper fraction. so do you need it to change in a proper fraction or mix number

i do not know the answer

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,