O is the origin, OP = p and OQ = q. Z is a point on PQ such that PZ : ZQ = 5 : 2.
Work out, in terms of p and q, the position vector of Z.
Give your answer in its simplest form.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Find the domain and range of the following function f(x) = 51x - 21+ 4