Answer:
2(a+2b+15)
Step-by-step explanation:
hope this helps!
Answer:
'∂' -- means a partial differential
'Δ' -- means a change in some variable.
'σ' --means 'sum' and 'deviation'.
The text says something about the world turning so maybe the equation has something to do with that? Maybe it is the equation for the earth's rotation. Sorry I can't find anything else, but I hope this helps a bit!
Answer:
$9.50
Step-by-step explanation:
$123.50/13 ladies
they each pay $9.50
That would be 6 *3 - 8*0 = 18
Its D
Yes............................................
