Use the remainder theorem to solve the following to solve the following

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

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

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.