Question

Please help ive been stuck on this question all weekend long !!

Answer 1

57

Explanation:

`8*2^(2)+8*2+9\\8*4+16+9\\32+16+9\\48+9\\57`

Answer 2

The answer is 57.

Explanation:

You have to substitute w = 2 into the expression :

`8 {w}^(2) + 8w + 9`

`let \: w = 2`

`8 {(2)}^(2) + 8(2) + 9`

`= 32 + 16 + 9`

`= 57`