Answer:
13. no solution
15. 3
16. 2
17. 5
18. -8
19. -7
20. 6
21. -5
22. -7
36h+81m
Step-by-step explanation:
9*4h+9*9m=36h+81m
24.5
-85
<em><u>1) (2 + 3)</u></em>
-7 + {12 - 3[50 - 4(5) ] }
<em><u>2) -7 + {12 - 3[50 - 20] }</u></em>
-7 + {12 - 3[30] }
<em><u>3) -7 + 12 - 90</u></em>
5 - 90
<u>Answer: -85</u>
46.06 would be the answer
