19,7,and 61 im not sure about the last one
Answer:
6x-21+5 = -19 Distribute
6x-16 = -19 Combine like terms
6x = -3 Add
x = -1/2 Division
Answer:104ft^3
Step-by-step explanation:
volume=length x width x height
Volume=13 x 4 x 2
Volume=104ft^3
The opposite of a nonzero integer is the inverse of it. So to get the opposite, change the sign.
For example:
What's the opposite of 3?
-3.
I hope that I explained well :)