Answer:
Step-by-step explanation:
1) Substitute (replace) every z with 9
[tex](9)^2+9(9)+10[/tex]
2) Solve
[tex](9)^2+9(9)+10\\81+9(9)+10\\81+81+10=172[/tex]
(Extra Breakdown Below)
1) Calculate Exponents (9)^2 = 81
2) Multiply 9(9) = 81
3) Add 81+81+81 = 172
