A, B and C are matrices such that: A=(2 1), B = and C=(5 6). Given
that AB=C, calculate the values of x and y ?

i) Using a matrix method, solve the pair of simultaneous equations
2x-y=0
x+3y=7​

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?