Answer:
1. 300 first and = 575
2. Righ them in order =51 +7.5 =51 19.5 + 7.5 =51
3. -26 first and +0.1 and then =61.3
4. 8.4+6.21=14.61
14.61+2.6=17.27 thats your answer
5. 18.37
Explanation:
The other people can help you with the rest please your welcome