9(9h + 4b +9), for h = 7 and b =3

774

Step-by-step explanation:

9(9h+4b+9)

9(9*7+4*3+9)

9(63+12+9)

9(75+9)

9*86

774

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,