The Organic Cafe has 20 pastries for sale, including 6 poppy seed muffins. What is the probability that a randomly selected pastry will be a poppy seed muffin?
Write your answer as a fraction or whole number.

Restrictions on f(x) = 1/x+5 and g(x) = x-2

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

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125