Answer:
5.) b = -2/5 (or -0.4 in decimal form)
6.) 20.5
Answer:
it is negative bc it runs down when it runs up it is positive
It its normal form its 48/100 but in its simplest form it is 12/25. Your welcome!<span />
Recall that

which means

Now,
could be positive or negative, which means
. If we specifically knew the sign of
was positive, then we can simplify and write

or if it's negative,
