Step-by-step explanation:
6.5r - 7.4= 12.1
6.5r = 19.5
r = 3
Answer:
Q6: B Q7: D Q8: C Q9: D Q10: A
Answer:
1.) 
2.)
3.)
4.)
5.)
6.) 
Step-by-step explanation:
I did 6 problems for you. You can now do the other 4 problems and see how I did it. You need to have the same denominator and the add the fractions together.
Answer:
90? maybe... i'm not positive but i hope it helped
Step-by-step explanation: