Simplify. 7 + (2{2} + 8) 107 ? 19 89 289 the 2{2} is an 'm probably too lazy to put in a sign for it xp

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,