What is the probability of (a) if p(anb) =.20; p(anc) =.16; and p(and) =.11 and we assume "a" can occur simultaneously only with "b, c,d"

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.

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left