Answer:
6. negative
7. positive
8. positive
9. positive
10. positive
Step-by-step explanation:
Good evening ,
______________
Answer:
a=3
___________________
Step-by-step explanation:
Look at the photo below for the answer.
:)
Answer:
About 73 degrees
Step-by-step explanation:
By the law of cosines:

Hope this helps!
Answer:
I don't think you can..
Step-by-step explanation:
Answer:
105
Step-by-step explanation:
Assuming A^2 + B^2 = C^2:
C^2 = 4 + 3 = 7
So,
C^2 * 15 = 49(15) = 105
Note: Since the relationship between A, B, and C isn't known, it cannot be said for certain that 105 is the answer.