What is 15x-24x, this is very urgent please​

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.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)