Evaluate the following. Choose the answer
from the box
3 71 22 15 95 25 58 65 10 18 108 90

11.8 - 5x2 =
12 15 + 3²-2 =
13. 28 ÷ 7+3 x 2=
14. 18 x 10÷2=
15. 42÷7 (15-6) +5 =
16. 8-22 + 25 +36)=
17. 28-3(5-8) + 6 =
18. 12+ 40 - (5+2) ² =
19. ( 32 - 26 ) ÷ (25 + 27)=
20. 450-9-8 + 43 ²=​