(i) ab – bc, bc – ca, ca – ab (ii) a – b + ab, b – c + bc, c – a + ac

(iii) 2p^q^2 - 3pq + 4, 5+7pq - 3p^2q^2

(iv) l^2 + m^2 , m^2 + n^2 , n^2 + l^2 , 2lm + 2mn + 2nl

Lines p and q intersect. find the value of b. show your work. cite any theorems you use.

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

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?