What is 108% as an equivalent decimal

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?