Answer:
C, D, E
Step-by-step explanation:
C: simplify the expression
D: rewriting the expression
E: use distributive property to simplify
Answer:
The volume = 2143.573 cubic inches
Step-by-step explanation:
This is the 2nd time I've posted this answer... not sure why it didn't go through the first time. Let me know if you have questions. :)
I would say -5.5., but I might be wrong.
Answer:
C. 3.33 hours
Step-by-step explanation:
Use the algebra work equation:
= + , where tb is the time to work together, t1 is the time it takes one person, and t2 is the time it takes the other person
Plug in the values we know:
= +
= +
=
20 = 6tb
3.33 = tb
So, it would take them 3.33 hours when working together.