It’s a crazy sock day at school. You have four brown socks, 7 blue socks, and 8 black socks. What is the probability that you will choose a black sock, replace it and then choose a blue sock?

Place the following steps in order to complete the square and solve the quadratic equation,

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655