If x is 1, then 23x is 23, so we have 23-1=22 as the answer.
The first one is 3 8/10 are not rotten because 5 3/10- 1 5/10 = 3 8/10
The second one needs information on the strawberries which it dosen't show on the picture.
Hope this helped a bit.
A because (-5)^2 = 25 + 2(5) =35-1=34
1 and 18
1 × 18 = 8
1+ 18 = 19