This hyperbola is centered at the origin. Find its equation.
Foci: (-9,0) and (9,0)
Vertices: (-2,0) and (2,0)

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.

Write the expression as a single natural logarithm. 2 in a - 4 in y

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0