Can someone me, ?
solve for

k = -2.

Step-by-step explanation:

Squaring  both sides -9k = 16 - k

Add k to both sides:

-8k = 16

Divide both sides by -8:

 k = -2.

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,