Try to calculate them in your head and if that doesn't help use a calculator. I hope this helps
S=-1 see attachment for explanation
Answer:
I think the answer would be the very first one.
they all need to have '' ( ) '' in them.
if a number is outside of that, it needs to at least have a letter beside the number
here's an example
Factored form:
2x(x + y)
not factored:
2(x - y)
but for the first one, it's correct from the rest of them.
She can make 36 banners. Hope this helps!
Ok so use your fingers you have ten and take five away from your fingers or you can us a calculator but the answer is 5