7. Add 7 1/2+3/4= 1 1/4

8. Divide 3/4 / 2/3= 1 1/8

9. Sam has 4 projects due next Friday. he has completed 1/2 of his English project, 0.25 of his History project, 1/8 of his Science project, and 75% of his Math project. Write the list of these 4 projects in order from the one that is most complete to the one that is the least complete
Math, English, History, and Science

7 is wrong. The other two are correct.

For number 7 I got :7 5/4

Right. What is 7 5/4 in its simplest form?

33/4 and then 8 1/4

Right.

Thank you so much :D

You're welcome.