Question

HELP imdjhehdhshshssksjish​

Answer 1

Answer:

40

Step-by-step explanation:

$\dfrac{ab^2 - 5}{10}$

a = 5; b = 9

First, substitute 5 for a and 9 for b.

$\dfrac{ab^2 - 5}{10} =$

$= \dfrac{(5)(9)^2 - 5}{10}$

$= \dfrac{(5)(81) - 5}{10}$

$= \dfrac{405 - 5}{10}$

$= \dfrac{400}{10}$

$= 40$

Answer 2

The answer to this question is 40