Hey there! 
Option A. 
23 + (4) - 4 * 2
= 23 + 4 - 4 * 2
= 27 - 4(2)
= 27 - 8
= 19
19 ≠ 32
Option B. 
3 * 3 + (42) - 4
= 3 * 3 + 42 - 4
= 9 + 42 - 4
= 51 - 4 
= 47
 47 ≠ 32
Option C. 
42 - 7 * 0
= 42 - 0
= 42
42 ≠ 32
Option D. 
4 * 5 + 2 - 4 + 2
= 20 + 2 - 4 + 2 
= 22 - 4 + 2
= 18 + 2 
= 20
20 ≠ 32
None of them are equivalent to 32
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)