One wing of a royal mouth is 0.75 inch across. How wide is the mouth mouse wingspan when both wings are open?

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.