Question

A = 3, k = 12, z = 6, h = 4

Answer 1

Answer:

21

Step-by-step explanation:

From the given statements, we know that $z=6.$

Therefore, substituting this in, we have

$z+15=6+15=\boxed{21}.$

Answer 2

The answer is  21

Substitute the value of $z$ into the expression:

$z+15=?$

$(6)+15=21$