Write
13
as a percentage.
20.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)