Find the GCF of each pair of numbers using listing method. 1. 15- 20- GFC
2. 24- 27- GFC
3. 21- 28- GFC
4. 30- 32- GFC
5. 40- 45- GFC​

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

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

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.