Answer:
9 less than the quotient of z and 8
Explanation:
z/8 -9

z divide by 8
for division we use a word quotient
z divide by 8 can be written as a quotient of z and 8
At the end we have -9
It means we need to subtract 9 from a quotient of z and 8
Final word phrase is
9 less than the quotient of z and 8